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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.

Correction to “Apoferritin-Encapsulated Jerantinine A for Transferrin Receptor Targeting and Enhanced Selectivity in Breast Cancer Therapy” (2023)
Journal Article
Abuzaid, H., Abdelrazig, S., Ferreira, L., Collins, H. M., Kim, D., Lim, K., …Bradshaw, T. D. (2024). Correction to “Apoferritin-Encapsulated Jerantinine A for Transferrin Receptor Targeting and Enhanced Selectivity in Breast Cancer Therapy”. ACS Omega, 9(1), Article 2012. https://doi.org/10.1021/acsomega.3c09291

Neil R. Thomas was added as an author. The change in authorship is reflected in the authorship of this Correction.

Characterisation of Aberrant Metabolic Pathways in Hepatoblastoma Using Liquid Chromatography and Tandem Mass Spectrometry (LC-MS/MS) (2023)
Journal Article
Whitby, A., Pabla, P., Shastri, B., Amugi, L., Del Río-Álvarez, Á., Kim, D., …Dandapani, M. (2023). Characterisation of Aberrant Metabolic Pathways in Hepatoblastoma Using Liquid Chromatography and Tandem Mass Spectrometry (LC-MS/MS). Cancers, 15(21), Article 5182. https://doi.org/10.3390/cancers15215182

Hepatoblastoma (HB) is a rare childhood tumour with an evolving molecular landscape. We present the first comprehensive metabolomic analysis using untargeted and targeted liquid chromatography coupled to high-resolution tandem mass spectrometry (LC-M... Read More about Characterisation of Aberrant Metabolic Pathways in Hepatoblastoma Using Liquid Chromatography and Tandem Mass Spectrometry (LC-MS/MS).

Predicting lameness in dairy cattle using untargeted liquid chromatography–mass spectrometry-based metabolomics and machine learning (2023)
Journal Article
Randall, L. V., Kim, D., Abdelrazig, S. M., Bollard, N. J., Hemingway-Arnold, H., Hyde, R. M., …Green, M. J. (2023). Predicting lameness in dairy cattle using untargeted liquid chromatography–mass spectrometry-based metabolomics and machine learning. Journal of Dairy Science, 106(10), 7033-7042. https://doi.org/10.3168/jds.2022-23118

Lameness in dairy cattle is a highly prevalent condition that impacts on the health and welfare of dairy cows. Prompt detection and implementation of effective treatment is important for managing lameness. However, major limitations are associated wi... Read More about Predicting lameness in dairy cattle using untargeted liquid chromatography–mass spectrometry-based metabolomics and machine learning.

Acai Berry (Euterpe sp.) Extracts Are Neuroprotective against L-Glutamate-Induced Toxicity by Limiting Mitochondrial Dysfunction and Cellular Redox Stress (2023)
Journal Article
ALNasser, M. N., AlSaadi, A. M., Whitby, A., Kim, D. H., Mellor, I. R., & Carter, W. G. (2023). Acai Berry (Euterpe sp.) Extracts Are Neuroprotective against L-Glutamate-Induced Toxicity by Limiting Mitochondrial Dysfunction and Cellular Redox Stress. Life, 13(4), Article 1019. https://doi.org/10.3390/life13041019

Aberrant accumulation of the neurotransmitter L-glutamate (L-Glu) has been implicated as a mechanism of neurodegeneration, and the release of L-Glu after stroke onset leads to a toxicity cascade that results in neuronal death. The acai berry (Euterpe... Read More about Acai Berry (Euterpe sp.) Extracts Are Neuroprotective against L-Glutamate-Induced Toxicity by Limiting Mitochondrial Dysfunction and Cellular Redox Stress.

Untargeted Metabolomic Characterization of Glioblastoma Intra-Tumor Heterogeneity Using OrbiSIMS (2023)
Journal Article
He, W., Edney, M. K., Paine, S. M. L., Griffiths, R. L., Scurr, D. J., Rahman, R., & Kim, D. (2023). Untargeted Metabolomic Characterization of Glioblastoma Intra-Tumor Heterogeneity Using OrbiSIMS. Analytical Chemistry, 95(14), 5994-6001. https://doi.org/10.1021/acs.analchem.2c05807

Glioblastoma (GBM) is an incurable brain cancer with a median survival of less than two years from diagnosis. The standard treatment of GBM is multimodality therapy comprising surgical resection, radiation, and chemotherapy. However, prognosis remain... Read More about Untargeted Metabolomic Characterization of Glioblastoma Intra-Tumor Heterogeneity Using OrbiSIMS.

Metabolic alterations in dairy cattle with lameness revealed by untargeted metabolomics of dried milk spots using direct infusion-tandem mass spectrometry and the triangulation of multiple machine learning models (2022)
Journal Article
He, W., Cardoso, A. S., Hyde, R. M., Green, M. J., Scurr, D. J., Griffiths, R., …Kim, D. (2022). Metabolic alterations in dairy cattle with lameness revealed by untargeted metabolomics of dried milk spots using direct infusion-tandem mass spectrometry and the triangulation of multiple machine learning models. Analyst, 147(23), 5537-5545. https://doi.org/10.1039/d2an01520j

Lameness is a major challenge in the dairy cattle industry in terms of animal welfare and economic implications. Better understanding of metabolic alteration associated with lameness could lead to early diagnosis and effective treatment{,} there-fore... Read More about Metabolic alterations in dairy cattle with lameness revealed by untargeted metabolomics of dried milk spots using direct infusion-tandem mass spectrometry and the triangulation of multiple machine learning models.

Correction to “Facile Dye-Initiated Polymerization of Lactide−Glycolide Generates Highly Fluorescent Poly(lactic-coglycolic Acid) for Enhanced Characterization of Cellular Delivery” (2022)
Journal Article
Yousif, M. D., Al-Natour, M. A., Cavanagh, R., Abouselo, A., Apebende, E. A., Ghaemmaghami, A., …Alexander, C. (2022). Correction to “Facile Dye-Initiated Polymerization of Lactide−Glycolide Generates Highly Fluorescent Poly(lactic-coglycolic Acid) for Enhanced Characterization of Cellular Delivery”. ACS Macro Letters, 11, 1224. https://doi.org/10.1021/acsmacrolett.2c00570

There is a change to the order of authorship for this published Letter. The author list should appear as it does in this Addition and Correction. All authors have agreed to this change.

Metabolic flux analysis: a comprehensive review on sample preparation, analytical techniques, data analysis, computational modelling, and main application areas (2022)
Journal Article
de Falco, B., Giannino, F., Carteni, F., Mazzoleni, S., & Kim, D. H. (2022). Metabolic flux analysis: a comprehensive review on sample preparation, analytical techniques, data analysis, computational modelling, and main application areas. RSC Advances, 12(39), 25528-25548. https://doi.org/10.1039/d2ra03326g

Metabolic flux analysis (MFA) quantitatively describes cellular fluxes to understand metabolic phenotypes and functional behaviour after environmental and/or genetic perturbations. In the last decade, the application of stable isotopes became extreme... Read More about Metabolic flux analysis: a comprehensive review on sample preparation, analytical techniques, data analysis, computational modelling, and main application areas.

Metabolic Signatures of Surface-Modified Poly(lactic- co-glycolic acid) Nanoparticles in Differentiated THP-1 Cells Derived with Liquid Chromatography-Mass Spectrometry-based Metabolomics (2022)
Journal Article
Al-Natour, M. A., Abdelrazig, S., Ghaemmaghami, A. M., Alexander, C., & Kim, D. H. (2022). Metabolic Signatures of Surface-Modified Poly(lactic- co-glycolic acid) Nanoparticles in Differentiated THP-1 Cells Derived with Liquid Chromatography-Mass Spectrometry-based Metabolomics. ACS Omega, https://doi.org/10.1021/acsomega.2c01660

Polymeric nanoparticles (NPs) are widely used in preclinical drug delivery investigations, and some formulations are now in the clinic. However, the detailed effects of many NPs at the subcellular level have not been fully investigated. In this study... Read More about Metabolic Signatures of Surface-Modified Poly(lactic- co-glycolic acid) Nanoparticles in Differentiated THP-1 Cells Derived with Liquid Chromatography-Mass Spectrometry-based Metabolomics.

Lipoprotein Deprivation Reveals a Cholesterol-Dependent Therapeutic Vulnerability in Diffuse Glioma Metabolism (2022)
Journal Article
Wood, J., Abdelrazig, S., Evseev, S., Ortori, C., Castellanos-Uribe, M., May, S. T., …Rahman, R. (2022). Lipoprotein Deprivation Reveals a Cholesterol-Dependent Therapeutic Vulnerability in Diffuse Glioma Metabolism. Cancers, 14(16), Article 3873. https://doi.org/10.3390/cancers14163873

Poor outcomes associated with diffuse high-grade gliomas occur in both adults and children, despite substantial progress made in the molecular characterisation of the disease. Targeting the metabolic requirements of cancer cells represents an alterna... Read More about Lipoprotein Deprivation Reveals a Cholesterol-Dependent Therapeutic Vulnerability in Diffuse Glioma Metabolism.

Metabolic modeling-based drug repurposing in Glioblastoma (2022)
Journal Article
Tomi-Andrino, C., Pandele, A., Winzer, K., King, J., Rahman, R., & Kim, D. (2022). Metabolic modeling-based drug repurposing in Glioblastoma. Scientific Reports, 12, Article 11189. https://doi.org/10.1038/s41598-022-14721-w

The manifestation of intra- and inter-tumor heterogeneity hinders the development of ubiquitous cancer treatments, thus requiring a tailored therapy for each cancer type. Specifically, the reprogramming of cellular metabolism has been identified as a... Read More about Metabolic modeling-based drug repurposing in Glioblastoma.

Single-Cell Metabolic Profiling of Macrophages Using 3D OrbiSIMS: Correlations with Phenotype (2022)
Journal Article
Suvannapruk, W., Edney, M. K., Kim, D., Scurr, D. J., Ghaemmaghami, A. M., & Alexander, M. R. (2022). Single-Cell Metabolic Profiling of Macrophages Using 3D OrbiSIMS: Correlations with Phenotype. Analytical Chemistry, 94(26), 9389–9398. https://doi.org/10.1021/acs.analchem.2c01375

Macrophages are important immune cells that respond to environmental cues acquiring a range of activation statuses represented by pro-inflammatory (M1) and anti-inflammatory (M2) phenotypes at each end of their spectrum. Characterizing the metabolic... Read More about Single-Cell Metabolic Profiling of Macrophages Using 3D OrbiSIMS: Correlations with Phenotype.

Apoferritin-Encapsulated Jerantinine A for Transferrin Receptor Targeting and Enhanced Selectivity in Breast Cancer Therapy (2022)
Journal Article
Abuzaid, H., Abdelrazig, S., Ferreira, L., Collins, H. M., Kim, D., Lim, K., …Bradshaw, T. (2022). Apoferritin-Encapsulated Jerantinine A for Transferrin Receptor Targeting and Enhanced Selectivity in Breast Cancer Therapy. ACS Omega, 7(25), 21473-21482. https://doi.org/10.1021/acsomega.2c00997

he O-acetyl (or acetate) derivative of the Aspidosperma alkaloid Jerantinine A (JAa) elicits anti-tumor activity against cancer cell lines including mammary carcinoma cell lines irrespective of receptor status (0.14 < GI50 < 0.38 μM), targeting micro... Read More about Apoferritin-Encapsulated Jerantinine A for Transferrin Receptor Targeting and Enhanced Selectivity in Breast Cancer Therapy.

Apoferritin-Encapsulated Jerantinine A for Transferrin Receptor Targeting and Enhanced Selectivity in Breast Cancer Therapy (2022)
Journal Article
Abuzaid, H., Abdelrazig, S., Ferreira, L., Collins, H. M., Kim, D. H., Lim, K. H., …Bradshaw, T. D. (2022). Apoferritin-Encapsulated Jerantinine A for Transferrin Receptor Targeting and Enhanced Selectivity in Breast Cancer Therapy. ACS Omega, https://doi.org/10.1021/acsomega.2c00997

The O-acetyl (or acetate) derivative of the Aspidosperma alkaloid Jerantinine A (JAa) elicits anti-tumor activity against cancer cell lines including mammary carcinoma cell lines irrespective of receptor status (0.14 < GI 50 < 0.38 μM), targeting mic... Read More about Apoferritin-Encapsulated Jerantinine A for Transferrin Receptor Targeting and Enhanced Selectivity in Breast Cancer Therapy.

EPEN-21. Developing a sensitive method for detection of minimal residual disease in ependymoma using metabolomic analysis of cerebrospinal fluid (2022)
Journal Article
Woodward, A., Amugi, L., Patel, K., Kilpatrick, C., Kim, D., & Dandapani, M. (2022). EPEN-21. Developing a sensitive method for detection of minimal residual disease in ependymoma using metabolomic analysis of cerebrospinal fluid. Neuro-Oncology, 24(Supplement 1), i43-i43. https://doi.org/10.1093/neuonc/noac079.719

Ependymoma (EPN) is the second most common malignant paediatric brain tumour with poor survival and significant neuro-cognitive impairment from current treatments (surgery and radiotherapy). Relapse occurs in 50% of patients within 2 years, despite n... Read More about EPEN-21. Developing a sensitive method for detection of minimal residual disease in ependymoma using metabolomic analysis of cerebrospinal fluid.

Serum Levels of Proinflammatory Lipid Mediators and Specialized Proresolving Molecules Are Increased in Patients With Severe Acute Respiratory Syndrome Coronavirus 2 and Correlate With Markers of the Adaptive Immune Response (2022)
Journal Article
Turnbull, J., Jha, R. R., Ortori, C. A., Lunt, E., Tighe, P. J., Irving, W. L., …Chapman, V. (2022). Serum Levels of Proinflammatory Lipid Mediators and Specialized Proresolving Molecules Are Increased in Patients With Severe Acute Respiratory Syndrome Coronavirus 2 and Correlate With Markers of the Adaptive Immune Response. Journal of Infectious Diseases, 225(12), 2142-2154. https://doi.org/10.1093/infdis/jiab632

BACKGROUND: Specialized proresolution molecules (SPMs) halt the transition to chronic pathogenic inflammation. We aimed to quantify serum levels of pro- and anti-inflammatory bioactive lipids in severe acute respiratory syndrome coronavirus 2 (SARS-C... Read More about Serum Levels of Proinflammatory Lipid Mediators and Specialized Proresolving Molecules Are Increased in Patients With Severe Acute Respiratory Syndrome Coronavirus 2 and Correlate With Markers of the Adaptive Immune Response.

Intratumour heterogeneity in microRNAs expression regulates glioblastoma metabolism (2021)
Journal Article
Alfardus, H., de los Angeles Estevez Cebrero, M., Rowlinson, J., Lourdusamy, A., Abdelrazig, S., Ortori, C., …Smith, S. (2021). Intratumour heterogeneity in microRNAs expression regulates glioblastoma metabolism. Scientific Reports, 11(1), Article 15908. https://doi.org/10.1038/s41598-021-95289-9

While specific microRNA (miRNA) signatures have been identified in glioblastoma (GBM), the intratumour heterogeneity in miRNA expression has not yet been characterised. In this study, we reveal significant alterations in miRNA expression across three... Read More about Intratumour heterogeneity in microRNAs expression regulates glioblastoma metabolism.

Culture degeneration reduces sex-related gene expression, alters metabolite production and reduces insect pathogenic response in cordyceps militaris (2021)
Journal Article
Wellham, P. A. D., Hafeez, A., Gregori, A., Brock, M., Kim, D. H., Chandler, D., & de Moor, C. H. (2021). Culture degeneration reduces sex-related gene expression, alters metabolite production and reduces insect pathogenic response in cordyceps militaris. Microorganisms, 9(8), Article 1559. https://doi.org/10.3390/microorganisms9081559

Cordyceps militaris is an entomopathogenic ascomycete, known primarily for infecting lepidopteran larval (caterpillars) and pupal hosts. Cordycepin, a secondary metabolite produced by this fungus has anti-inflammatory properties and other pharmacolog... Read More about Culture degeneration reduces sex-related gene expression, alters metabolite production and reduces insect pathogenic response in cordyceps militaris.

Engineering improved ethylene production: Leveraging systems Biology and adaptive laboratory evolution (2021)
Journal Article
Vaud, S., Pearcy, N., Hanževački, M., Van Hagen, A. M., Abdelrazig, S., Safo, L., …Bryan, S. J. (2021). Engineering improved ethylene production: Leveraging systems Biology and adaptive laboratory evolution. Metabolic Engineering, 67, 308-320. https://doi.org/10.1016/j.ymben.2021.07.001

Ethylene is a small hydrocarbon gas widely used in the chemical industry. Annual worldwide production currently exceeds 150 million tons, producing considerable amounts of CO2 contributing to climate change. The need for a sustainable alternative is... Read More about Engineering improved ethylene production: Leveraging systems Biology and adaptive laboratory evolution.

Quantitative Bioreactor Monitoring of Intracellular Bacterial Metabolites in Clostridium autoethanogenum Using Liquid Chromatography–Isotope Dilution Mass Spectrometry (2021)
Journal Article
Safo, L., Abdelrazig, S., Grosse-Honebrink, A., Millat, T., Henstra, A. M., Norman, R., …Barrett, D. A. (2021). Quantitative Bioreactor Monitoring of Intracellular Bacterial Metabolites in Clostridium autoethanogenum Using Liquid Chromatography–Isotope Dilution Mass Spectrometry. ACS Omega, 6, 13518-13526. https://doi.org/10.1021/acsomega.0c05588

We report a liquid chromatography–isotope dilution mass spectrometry method for the simultaneous quantification of 131 intracellular bacterial metabolites of Clostridium autoethanogenum. A comprehensive mixture of uniformly 13C-labeled internal stand... Read More about Quantitative Bioreactor Monitoring of Intracellular Bacterial Metabolites in Clostridium autoethanogenum Using Liquid Chromatography–Isotope Dilution Mass Spectrometry.

Sequential Orbitrap Secondary Ion Mass Spectrometry and Liquid Extraction Surface Analysis-Tandem Mass Spectrometry-Based Metabolomics for Prediction of Brain Tumor Relapse from Sample-Limited Primary Tissue Archives (2021)
Journal Article
Meurs, J., Scurr, D. J., Lourdusamy, A., Storer, L. C., Grundy, R. G., Alexander, M. R., …Kim, D. (2021). Sequential Orbitrap Secondary Ion Mass Spectrometry and Liquid Extraction Surface Analysis-Tandem Mass Spectrometry-Based Metabolomics for Prediction of Brain Tumor Relapse from Sample-Limited Primary Tissue Archives. Analytical Chemistry, 93(18), 6947-6954. https://doi.org/10.1021/acs.analchem.0c05087

We present here a novel surface mass spectrometry strategy to perform untargeted metabolite profiling of formalin-fixed paraffin-embedded pediatric ependymoma archives. Sequential Orbitrap secondary ion mass spectrometry (3D OrbiSIMS) and liquid extr... Read More about Sequential Orbitrap Secondary Ion Mass Spectrometry and Liquid Extraction Surface Analysis-Tandem Mass Spectrometry-Based Metabolomics for Prediction of Brain Tumor Relapse from Sample-Limited Primary Tissue Archives.

Integrated Metabolomics and Transcriptomics Using an Optimised Dual Extraction Process to Study Human Brain Cancer Cells and Tissues (2021)
Journal Article
Rahman, R., Woodward, A., Pandele, A., Abdelrazig, S., Ortori, C., Khan, I., …Kim, D. (2021). Integrated Metabolomics and Transcriptomics Using an Optimised Dual Extraction Process to Study Human Brain Cancer Cells and Tissues. Metabolites, 11(4), Article 240. https://doi.org/10.3390/metabo11040240

The integration of untargeted metabolomics and transcriptomics from the same population of cells or tissue enhances the confidence in the identified metabolic pathways and understanding of the enzyme–metabolite relationship. Here, we optimised a simu... Read More about Integrated Metabolomics and Transcriptomics Using an Optimised Dual Extraction Process to Study Human Brain Cancer Cells and Tissues.

Physicochemical and metabolic constraints for thermodynamics-based stoichiometric modelling under mesophilic growth conditions (2021)
Journal Article
Tomi-Andrino, C., Norman, R., Millat, T., Soucaille, P., Winzer, K., Barrett, D. A., …Kim, D. (2021). Physicochemical and metabolic constraints for thermodynamics-based stoichiometric modelling under mesophilic growth conditions. PLoS Computational Biology, 17(1), Article e1007694. https://doi.org/10.1371/journal.pcbi.1007694

© 2021 Tomi-Andrino et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source a... Read More about Physicochemical and metabolic constraints for thermodynamics-based stoichiometric modelling under mesophilic growth conditions.

Corrigendum to ‘LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate’ [International Journal of Pharmaceutics: X Volume 1 (2019) 100036] (2020)
Journal Article
Al-Natour, M. A., Alazzo, A., Ghaemmaghami, A. M., Kim, D. H., & Alexander, C. (2020). Corrigendum to ‘LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate’ [International Journal of Pharmaceutics: X Volume 1 (2019) 100036]. International Journal of Pharmaceutics: X, 2, Article 100044. https://doi.org/10.1016/j.ijpx.2020.100044

© 2020 The Author(s) The authors regret that the original version of Fig. 3 incorrect. The updated figure is below for reference. [Figure presented] Fig. 3 Super-resolution microscopy image of methotrexate loaded PLGA nanoparticles (green) (92 μg/mL,... Read More about Corrigendum to ‘LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate’ [International Journal of Pharmaceutics: X Volume 1 (2019) 100036].

Assessing the impact of physicochemical parameters in the predictive capabilities of thermodynamics-based stoichiometric approaches under mesophilic and thermophilic conditions (2020)
Working Paper
Tomi-Andrino, C., Norman, R., Millat, T., Soucaille, P., Winzer, K., Barrett, D. A., …Kim, D. Assessing the impact of physicochemical parameters in the predictive capabilities of thermodynamics-based stoichiometric approaches under mesophilic and thermophilic conditions

Metabolic engineering in the post-genomic era is characterised by the development of new methods for metabolomics and fluxomics, supported by the integration of genetic engineering tools and mathematical modelling. Particularly, constraint-based stoi... Read More about Assessing the impact of physicochemical parameters in the predictive capabilities of thermodynamics-based stoichiometric approaches under mesophilic and thermophilic conditions.

Designing topographically textured microparticles for induction and modulation of osteogenesis in mesenchymal stem cell engineering (2020)
Journal Article
Amer, M. H., Alvarez-Paino, M., McLaren, J., Pappalardo, F., Trujillo, S., Wong, J. Q., …Rose, F. R. (2021). Designing topographically textured microparticles for induction and modulation of osteogenesis in mesenchymal stem cell engineering. Biomaterials, 266, Article 120450. https://doi.org/10.1016/j.biomaterials.2020.120450

© 2020 The Authors Mesenchymal stem cells are the focus of intense research in bone development and regeneration. The potential of microparticles as modulating moieties of osteogenic response by utilizing their architectural features is demonstrated... Read More about Designing topographically textured microparticles for induction and modulation of osteogenesis in mesenchymal stem cell engineering.

Targeting glutamine synthesis inhibits stem cell adipogenesis in vitro (2020)
Journal Article
Velickovic, K., Lugo Leija, H. A., Surrat, A., Kim, D., Sacks, H., Symonds, M. E., & Sottile, V. (2020). Targeting glutamine synthesis inhibits stem cell adipogenesis in vitro. Cellular Physiology and Biochemistry, 54(5), 917-927. https://doi.org/10.33594/000000278

Background/Aims: Glutamine is the most abundant amino acid in the body and has a metabolic role as a precursor for protein, amino sugar and nucleotide synthesis. After glucose, glutamine is the main source of energy in cells and has recently been sho... Read More about Targeting glutamine synthesis inhibits stem cell adipogenesis in vitro.

Metabolic characterisation of Magnetospirillum gryphiswaldense MSR-1 using LC-MS-based metabolite profiling (2020)
Journal Article
Abdelrazig, S., Safo, L., Rance, G. A., Fay, M. W., Theodosiou, E., Topham, P. D., …Fernández-Castané, A. (2020). Metabolic characterisation of Magnetospirillum gryphiswaldense MSR-1 using LC-MS-based metabolite profiling. RSC Advances, 10(54), 32548-32560. https://doi.org/10.1039/d0ra05326k

Magnetosomes are nano-sized magnetic nanoparticles with exquisite properties that can be used in a wide range of healthcare and biotechnological applications. They are biosynthesised by magnetotactic bacteria (MTB), such as Magnetospirillum gryphiswa... Read More about Metabolic characterisation of Magnetospirillum gryphiswaldense MSR-1 using LC-MS-based metabolite profiling.

Facile Dye-Initiated Polymerization of Lactide–Glycolide Generates Highly Fluorescent Poly(lactic-co-glycolic Acid) for Enhanced Characterization of Cellular Delivery (2020)
Journal Article
Al-Natour, M. A., Yousif, M. D., Cavanagh, R., Abouselo, A., Apebende, E. A., Ghaemmaghami, A., …Alexander, C. (2020). Facile Dye-Initiated Polymerization of Lactide–Glycolide Generates Highly Fluorescent Poly(lactic-co-glycolic Acid) for Enhanced Characterization of Cellular Delivery. ACS Macro Letters, 9(3), 431-437. https://doi.org/10.1021/acsmacrolett.9b01014

Copyright © 2020 American Chemical Society. Poly(lactic-co-glycolic acid) (PLGA) is a versatile synthetic copolymer that is widely used in pharmaceutical applications. This is because it is well-tolerated in the body, and copolymers of varying physic... Read More about Facile Dye-Initiated Polymerization of Lactide–Glycolide Generates Highly Fluorescent Poly(lactic-co-glycolic Acid) for Enhanced Characterization of Cellular Delivery.

Effect of acute and short-term dietary fat ingestion on postprandial skeletal muscle protein synthesis rates in middle-aged, overweight, and obese men (2020)
Journal Article
Tsintzas, K., Jones, R., Pabla, P., Mallinson, J., Barrett, D. A., Kim, D. H., …Stephens, F. B. (2020). Effect of acute and short-term dietary fat ingestion on postprandial skeletal muscle protein synthesis rates in middle-aged, overweight, and obese men. AJP - Endocrinology and Metabolism, 318(3), E417-E429. https://doi.org/10.1152/ajpendo.00344.2019

Muscle anabolic resistance to dietary protein is associated with obesity and insulin resistance. However, the contribution of excess consumption of fat to anabolic resistance is not well studied. The aim of these studies was to test the hypothesis th... Read More about Effect of acute and short-term dietary fat ingestion on postprandial skeletal muscle protein synthesis rates in middle-aged, overweight, and obese men.

Metabolic characterisation of THP-1 macrophage polarisation using LC–MS-based metabolite profiling (2020)
Journal Article
Abuawad, A., Mbadugha, C., Ghaemmaghami, A. M., & Kim, D. (2020). Metabolic characterisation of THP-1 macrophage polarisation using LC–MS-based metabolite profiling. Metabolomics, 16(3), Article 33. https://doi.org/10.1007/s11306-020-01656-4

INTRODUCTION: Macrophages constitute a heterogeneous population of functionally distinct cells involved in several physiological and pathological processes. They display remarkable plasticity by changing their phenotype and function in response to en... Read More about Metabolic characterisation of THP-1 macrophage polarisation using LC–MS-based metabolite profiling.

Untargeted analysis of plasma samples from pre-eclamptic women reveals polar and apolar changes in the metabolome (2019)
Journal Article
Sander, K. N., Kim, D., Ortori, C. A., Warren, A. Y., Anyanwagu, U. C., Hay, D. P., …Barrett, D. A. (2019). Untargeted analysis of plasma samples from pre-eclamptic women reveals polar and apolar changes in the metabolome. Metabolomics, 15, 1-10. https://doi.org/10.1007/s11306-019-1600-8

Introduction Pre-eclampsia is a hypertensive gestational disorder that affects approximately 5% of all pregnancies. Objectives As the pathophysiological processes of pre-eclampsia are still uncertain, the present case–control study explored unde... Read More about Untargeted analysis of plasma samples from pre-eclamptic women reveals polar and apolar changes in the metabolome.

LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate (2019)
Journal Article
Al-Natour, M. A., Alazzo, A., Ghaemmaghami, A. M., Kim, D., & Alexander, C. (2019). LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate. International Journal of Pharmaceutics: X, 1, Article 100036. https://doi.org/10.1016/j.ijpx.2019.100036

Methotrexate (MTX) is a folate analogue antimetabolite widely used for the treatment of rheumatoid arthritis and cancer. A number of studies have shown that MTX delivered via nanoparticle carriers is more potent against cancer cells than free MTX, a... Read More about LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate.

Mechanistic insight into heterogeneity of trans-plasma membrane electron transport in cancer cell types (2019)
Journal Article
Sherman, H. G., Jovanovic, C., Abuawad, A., Kim, D., Collins, H., Dixon, J. E., …Rawson, F. J. (2019). Mechanistic insight into heterogeneity of trans-plasma membrane electron transport in cancer cell types. BBA - Bioenergetics, 1860(8), 628-639. https://doi.org/10.1016/j.bbabio.2019.06.012

Trans-plasma membrane electron transfer (tMPET) is a process by which reducing equivalents, either electrons or reductants like ascorbic acid, are exported to the extracellular environment by the cell. TPMET is involved in a number of physiological p... Read More about Mechanistic insight into heterogeneity of trans-plasma membrane electron transport in cancer cell types.

Mapping the metabolism of five amino acids in bloodstream form Trypanosoma brucei using U-13C-labelled substrates and LC–MS (2019)
Journal Article
Johnston, K., Kim, D., Kerkhoven, E., Burchmore, R., Barrett, M., & Achcar, F. (2019). Mapping the metabolism of five amino acids in bloodstream form Trypanosoma brucei using U-13C-labelled substrates and LC–MS. Bioscience Reports, 39(5), https://doi.org/10.1042/bsr20181601

The metabolism of the parasite Trypanosoma brucei has been the focus of numerous studies since the 1940s. Recently it was shown, using metabolomics coupled with heavy-atom isotope labelled glucose, that the metabolism of the bloodstream form parasite... Read More about Mapping the metabolism of five amino acids in bloodstream form Trypanosoma brucei using U-13C-labelled substrates and LC–MS.

Investigating the intracellular effects of hyperbranched polycation-DNA complexes on lung cancer cells using LC-MS-based metabolite profiling (2019)
Journal Article
Alazzo, A., Al-Natour, M., Spriggs, K., Stolnik, S., Ghaemmaghami, A., Kim, D., & Alexander, C. (2019). Investigating the intracellular effects of hyperbranched polycation-DNA complexes on lung cancer cells using LC-MS-based metabolite profiling. Molecular Omics, 15(1), 77-87. https://doi.org/10.1039/C8MO00139A

Cationic polymers have emerged as a promising alternative to viral vectors in gene therapy. They are cheap to scale up, easy to functionalise and also presume to be safer than the viral vectors, however many of them are cytotoxic. The large number of... Read More about Investigating the intracellular effects of hyperbranched polycation-DNA complexes on lung cancer cells using LC-MS-based metabolite profiling.

Benzoxaborole treatment perturbs S-adenosyl-L-methionine metabolism in Trypanosoma brucei (2018)
Journal Article
Steketee, P. C., Vincent, I. M., Achcar, F., Giordani, F., Kim, D., Creek, D. J., …Barrett, M. P. (2018). Benzoxaborole treatment perturbs S-adenosyl-L-methionine metabolism in Trypanosoma brucei. PLoS Neglected Tropical Diseases, 12(5), Article e0006450. https://doi.org/10.1371/journal.pntd.0006450

The parasitic protozoan Trypanosoma brucei causes Human African Trypanosomiasis and Nagana in other mammals. These diseases present a major socio-economic burden to large areas of sub-Saharan Africa. Current therapies involve complex and toxic regime... Read More about Benzoxaborole treatment perturbs S-adenosyl-L-methionine metabolism in Trypanosoma brucei.

Improved extraction repeatability and spectral reproducibility for liquid extraction surface analysis–mass spectrometry using superhydrophobic–superhydrophilic patterning (2018)
Journal Article
Meurs, J., Alexander, M. R., Levkin, P. A., Widmaier, S., Bunch, J., Barrett, D. A., & Kim, D. (in press). Improved extraction repeatability and spectral reproducibility for liquid extraction surface analysis–mass spectrometry using superhydrophobic–superhydrophilic patterning. Analytical Chemistry, 90(10), https://doi.org/10.1021/acs.analchem.8b00973

A major problem limiting reproducible use of liquid extraction surface analysis (LESA) array sampling of dried surface-deposited liquid samples is the unwanted spread of extraction solvent beyond the dried sample limits, resulting in unreliable data.... Read More about Improved extraction repeatability and spectral reproducibility for liquid extraction surface analysis–mass spectrometry using superhydrophobic–superhydrophilic patterning.

Quantitative isotope-dilution high-resolution-mass-apectrometry analysis of multiple intracellular metabolites in Clostridium autoethanogenum with uniformly 13C-labeled standards derived from Spirulina (2018)
Journal Article
Schatschneider, S., Abdelrazig, S. M., Safo, L., Henstra, A. M., Millat, T., Kim, D., …Barrett, D. A. (2018). Quantitative isotope-dilution high-resolution-mass-apectrometry analysis of multiple intracellular metabolites in Clostridium autoethanogenum with uniformly 13C-labeled standards derived from Spirulina. Analytical Chemistry, 90(7), https://doi.org/10.1021/acs.analchem.7b04758

We have investigated the applicability of commercially available lyophilized spirulina (Arthrospira platensis), a microorganism uniformly labeled with 13C, as a readily accessible source of multiple 13C-labeled metabolites suitable as internal standa... Read More about Quantitative isotope-dilution high-resolution-mass-apectrometry analysis of multiple intracellular metabolites in Clostridium autoethanogenum with uniformly 13C-labeled standards derived from Spirulina.

Sterol 14α-demethylase mutation leads to amphotericin B resistance in Leishmania mexicana (2017)
Journal Article
Mwenechanya, R., Kovarova, J., Dickens, N. J., Mudaliar, M., Herzyk, P., Vicent, I. M., …Barrett, M. P. (2017). Sterol 14α-demethylase mutation leads to amphotericin B resistance in Leishmania mexicana. PLoS Neglected Tropical Diseases, 11(6), Article e0005649. https://doi.org/10.1371/journal.pntd.0005649

Amphotericin B has emerged as the therapy of choice for use against the leishmaniases. Administration of the drug in its liposomal formulation as a single injection is being promoted in a campaign to bring the leishmaniases under control. Understandi... Read More about Sterol 14α-demethylase mutation leads to amphotericin B resistance in Leishmania mexicana.

Genetic loci associated with chronic obstructive pulmonary disease overlap with loci for lung function and pulmonary fibrosis (2017)
Journal Article
Hobbs, B. D., de Jong, K., Lamontagne, M., Bossé, Y., Shrine, N., Artigas, M. S., …Cho, M. H. (in press). Genetic loci associated with chronic obstructive pulmonary disease overlap with loci for lung function and pulmonary fibrosis. Nature Genetics, 49(3), https://doi.org/10.1038/ng.3752

Chronic obstructive pulmonary disease (COPD) is a leading cause of mortality worldwide. We performed a genetic association study in 15,256 cases and 47,936 controls, with replication of select top results (P < 5 × 10(-6)) in 9,498 cases and 9,748 con... Read More about Genetic loci associated with chronic obstructive pulmonary disease overlap with loci for lung function and pulmonary fibrosis.

Evidence for large-scale gene-by-smoking interaction effects on pulmonary function (2017)
Journal Article
Aschard, H., Tobin, M. D., Hancock, D. B., Skurnik, D., Sood, A., James, A., …Kraft, P. (in press). Evidence for large-scale gene-by-smoking interaction effects on pulmonary function. International Journal of Epidemiology, Article dyw318. https://doi.org/10.1093/ije/dyw318

Background: Smoking is the strongest environmental risk factor for reduced pulmonary function. The genetic component of various pulmonary traits has also been demonstrated, and at least 26 loci have been reproducibly associated with either FEV1 (forc... Read More about Evidence for large-scale gene-by-smoking interaction effects on pulmonary function.

Outcomes following first-episode psychosis: why we should intervene early in all ages, not only in youth (2016)
Journal Article
Lappin, J. M., Heslin, M., Jones, P. B., Doody, G. A., Reininghaus, U. A., Demjaha, A., …Morgan, C. (2016). Outcomes following first-episode psychosis: why we should intervene early in all ages, not only in youth. Australian and New Zealand Journal of Psychiatry, 50(11), https://doi.org/10.1177/0004867416673454

Objective: To compare baseline demographics and 10-year outcomes of a first-episode psychosis patient incidence cohort in order to establish whether current youth-focussed age-based criteria for early intervention services are justified by patient ne... Read More about Outcomes following first-episode psychosis: why we should intervene early in all ages, not only in youth.

Exercise for reducing fear of falling in older people living in the community: Cochrane systematic review and meta-analysis (2016)
Journal Article
Kumar, A., Delbaere, K., Zijlstra, G., Carpenter, H., Iliffe, S., Masud, T., …Kendrick, D. (in press). Exercise for reducing fear of falling in older people living in the community: Cochrane systematic review and meta-analysis. Age and Ageing, 45(3), https://doi.org/10.1093/ageing/afw036

Objective: To determine the effect of exercise interventions on fear of falling in community-living people aged ?65 years. Design: Systematic review and meta-analysis. Bibliographic databases, trial registers and other sources were searched for ra... Read More about Exercise for reducing fear of falling in older people living in the community: Cochrane systematic review and meta-analysis.

Non-destructive characterisation of mesenchymal stem cell differentiation using LC-MS-based metabolite footprinting (2016)
Journal Article
Surrati, A., Linforth, R. S., Fisk, I. D., Sottile, V., & Kim, D. (in press). Non-destructive characterisation of mesenchymal stem cell differentiation using LC-MS-based metabolite footprinting. Analyst, 12, https://doi.org/10.1039/c6an00170j

Bone regeneration is a complex biological process where major cellular changes take place to support the osteogenic differentiation of mesenchymal bone progenitors. To characterise these biological changes and better understand the pathways regulatin... Read More about Non-destructive characterisation of mesenchymal stem cell differentiation using LC-MS-based metabolite footprinting.

LC–MS-based absolute metabolite quantification: application to metabolic flux measurement in trypanosomes (2015)
Journal Article
Kim, D., Achcar, F., Breitling, R., Burgess, K., & Barrett, M. (2015). LC–MS-based absolute metabolite quantification: application to metabolic flux measurement in trypanosomes. Metabolomics, 11(6), 1721-1732. https://doi.org/10.1007/s11306-015-0827-2

Human African trypanosomiasis is a neglected tropical disease caused by the protozoan parasite, Trypanosoma brucei. In the mammalian bloodstream, the trypanosome’s metabolism differs significantly from that of its host. For example, the parasite reli... Read More about LC–MS-based absolute metabolite quantification: application to metabolic flux measurement in trypanosomes.

Probing the Metabolic Network in Bloodstream-Form Trypanosoma brucei Using Untargeted Metabolomics with Stable Isotope Labelled Glucose (2015)
Journal Article
Creek, D. J., KIM, D., Mazet, M., Achcar, F., Anderson, J., Kamour, R., …Barrett, M. P. (2015). Probing the Metabolic Network in Bloodstream-Form Trypanosoma brucei Using Untargeted Metabolomics with Stable Isotope Labelled Glucose. PLoS Pathogens, 11(3), https://doi.org/10.1371/journal.ppat.1004689

Metabolomics coupled with heavy-atom isotope-labelled glucose has been used to probe the metabolic pathways active in cultured bloodstream form trypomastigotes of Trypanosoma brucei, a parasite responsible for human African trypanosomiasis. Glucose e... Read More about Probing the Metabolic Network in Bloodstream-Form Trypanosoma brucei Using Untargeted Metabolomics with Stable Isotope Labelled Glucose.

Potent trypanocidal curcumin analogs bearing a mono-enone linker Motif act on Trypanosoma brucei by forming an adduct with trypanothione (2015)
Journal Article
Alkhaldi, A. A. M., Creek, D. J., Ibrahim, H., Kim, D., Quashie, N. B., Burgess, K. E., …de Koning, H. P. (2015). Potent trypanocidal curcumin analogs bearing a mono-enone linker Motif act on Trypanosoma brucei by forming an adduct with trypanothione. Molecular Pharmacology, 87(3), 451-464. https://doi.org/10.1124/mol.114.096016

We have previously reported that curcumin analogs with a C7 linker bearing a C4-C5 olefinic linker with a single keto group at C3 (enone linker) display midnanomolar activity against the bloodstream form of Trypanosoma brucei. However, no clear indic... Read More about Potent trypanocidal curcumin analogs bearing a mono-enone linker Motif act on Trypanosoma brucei by forming an adduct with trypanothione.

Investigating gender differences in the factor structure of the Gudjonsson Compliance Scale (2015)
Journal Article
Drake, K. E., & Egan, V. (2017). Investigating gender differences in the factor structure of the Gudjonsson Compliance Scale. Legal and Criminological Psychology, 22(1), https://doi.org/10.1111/lcrp.12081

Purpose: The Gudjonsson Compliance Scale (GCS) remains, in terms of its psychometrics, an under-researched instrument, in which gender differences in particular have been insufficiently examined. The aim of this research was to therefore investigate... Read More about Investigating gender differences in the factor structure of the Gudjonsson Compliance Scale.

Exercise for reducing fear of falling in older people living in the community (2014)
Journal Article
Kendrick, D., Kumar, A., Carpenter, H., Rixt Zijlstra, G., Skelton, D. A., Cooke, J. R., …Delbaere, K. (2014). Exercise for reducing fear of falling in older people living in the community. Cochrane Database of Systematic Reviews, 11, Article CD009848. https://doi.org/10.1002/14651858.CD009848.pub2

Background: Fear of falling is common in older people and associated with serious physical and psychosocial consequences. Exercise (planned, structured, repetitive and purposive physical activity aimed at improving physical fitness) may reduce fear o... Read More about Exercise for reducing fear of falling in older people living in the community.

A metabolomics investigation into the effects of HIV protease inhibitors on HPV16 E6 expressing cervical carcinoma cells (2014)
Journal Article
Kim, D., Allwood, J. W., Moore, R. E., Marsden-Edwards, E., Dunn, W. B., Xu, Y., …Goodacre, R. (2014). A metabolomics investigation into the effects of HIV protease inhibitors on HPV16 E6 expressing cervical carcinoma cells. Molecular BioSystems, 10(3), 398-411. https://doi.org/10.1039/c3mb70423h

Recently, it has been reported that anti-viral drugs, such as indinavir and lopinavir (originally targeted for HIV), also inhibit E6-mediated proteasomal degradation of mutant p53 in E6-transfected C33A cells. In order to understand more about the mo... Read More about A metabolomics investigation into the effects of HIV protease inhibitors on HPV16 E6 expressing cervical carcinoma cells.