Imperial College London

ProfessorHectorKeun

Faculty of MedicineDepartment of Surgery & Cancer

Professor of Biochemistry
 
 
 
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Contact

 

+44 (0)20 7594 3161h.keun

 
 
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Location

 

officesInstitute of Reproductive and Developmental BiologyHammersmith Campus

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Summary

 

Publications

Publication Type
Year
to

198 results found

Perez-Trujillo M, Lindon JC, Parella T, Keun HC, Nicholson JK, Athersuch TJet al., 2012, Chiral Metabonomics: <SUP>1</SUP>H NMR-Based Enantiospecific Differentiation of Metabolites in Human Urine via Direct Cosolvation with β-Cyclodextrin, ANALYTICAL CHEMISTRY, Vol: 84, Pages: 2868-2874, ISSN: 0003-2700

Journal article

Benton HP, Want E, Keun HC, Amberg A, Plumb RS, Goldfain-Blanc F, Walther B, Reily MD, Lindon JC, Holmes E, Nicholson JK, Ebbels TMDet al., 2012, Intra- and Interlaboratory Reproducibility of Ultra Performance Liquid Chromatography-Time-of-Flight Mass Spectrometry for Urinary Metabolic Profiling, ANALYTICAL CHEMISTRY, Vol: 84, Pages: 2424-2432, ISSN: 0003-2700

Journal article

Nunes J, Naymark M, Sauer L, Muhammad A, Keun H, Sturge J, Stebbing J, Waxman J, Pchejetski Det al., 2012, Circulating sphingosine-1-phosphate and erythrocyte sphingosine kinase-1 activity as novel biomarkers for early prostate cancer detection, BRITISH JOURNAL OF CANCER, Vol: 106, Pages: 909-915, ISSN: 0007-0920

Journal article

Ellis JK, Athersuch TJ, Thomas LD, Teichert F, PĂ©rez-Trujillo M, Svendsen C, Spurgeon DJ, Singh R, Jarup L, Bundy JG, Keun HCet al., 2012, Metabolic profiling detects early effects of environmental and lifestyle exposure to cadmium in a human population., BMC medicine, Vol: 10, Pages: 61-61

Journal article

Spurgeon DJ, Lawlor A, Hooper HL, Wadsworth R, Svendsen C, Thomas LDK, Ellis JK, Bundy JG, Keun HC, Jarup Let al., 2011, Outdoor and indoor cadmium distributions near an abandoned smelting works and their relations to human exposure, ENVIRONMENTAL POLLUTION, Vol: 159, Pages: 3425-3432, ISSN: 0269-7491

Journal article

Kamburov A, Cavill R, Ebbels TMD, Herwig R, Keun HCet al., 2011, Integrated pathway-level analysis of transcriptomics and metabolomics data with IMPaLA, BIOINFORMATICS, Vol: 27, Pages: 2917-2918, ISSN: 1367-4803

Journal article

Teichert F, Winkler S, Keun HC, Steward WP, Gescher AJ, Farmer PB, Singh Ret al., 2011, Evaluation of urinary ribonucleoside profiling for clinical biomarker discovery using constant neutral loss scanning liquid chromatography/tandem mass spectrometry, RAPID COMMUNICATIONS IN MASS SPECTROMETRY, Vol: 25, Pages: 2071-2082, ISSN: 0951-4198

Journal article

Teahan O, Bevan CL, Waxman J, Keun HCet al., 2011, Metabolic signatures of malignant progression in prostate epithelial cells, INTERNATIONAL JOURNAL OF BIOCHEMISTRY & CELL BIOLOGY, Vol: 43, Pages: 1002-1009, ISSN: 1357-2725

Journal article

Ellis JK, Athersuch TJ, Cavill R, Radford R, Slattery C, Jennings P, McMorrow T, Ryan MP, Ebbels TMD, Keun HCet al., 2011, Erratum: Metabolic response to low level toxicant exposure in a novel renal tubule epithelial cell system (Molecular BioSystems (2010) DOI:10.1039/c0mb00146e), Molecular BioSystems, Vol: 7, Pages: 2081-2086, ISSN: 1742-206X

Journal article

Stebbing J, Sharma A, North B, Athersuch TJ, Zebrowski A, Pchejetski D, Coombes RC, Nicholson JK, Keun HCet al., 2011, A metabolic phenotyping approach to understanding relationships between metabolic syndrome and breast tumor responses to chemotherapy., J Clin Oncol, Vol: 29

10544 Background: Breast cancer is associated with adverse outcomes in patients with the metabolic syndrome phenotype. We previously demonstrated using a metabolic profiling (metabonomics) approach that glucose, lactate and alanine levels were perturbed during chemotherapy and that these effects were associated with weight gain during treatment. To validate these data and study this further, we examined the relationship between serum metabolite levels and the components of metabolic syndrome with treatment outcomes in breast cancer. METHODS: A total of 88 women with measurable breast cancer were studied; their serum metabolites as assessed by 1H NMR spectroscopy, blood pressure, lipids, glucose, body mass index and waist circumference were recorded and correlated with treatment response. RESULTS: We identified metabolic syndrome in approximately half of our cohort (42 patients) and observed a significant trend (p=0.03) of increased incidence of metabolic syndrome in partial response (33.3%), stable disease (42.9%) and progressive disease groups (66.1%). Of the components of metabolic syndrome, high blood sugar predicted a poor response (p < 0.001). Logistic regression of metabonomic data demonstrated that high lactate (p=0.03) and low alanine (p=0.01), combined with high glucose (p=0.01) in the same sera, were associated with disease progression. CONCLUSIONS: Metabolic syndrome is commonly observed in women with metastatic breast cancer and these patients have poorer outcomes. These data, which support our previous findings suggest that high blood glucose as part of metabolic syndrome is associated with a poor response in breast cancer. They also validate new therapeutic approaches that focus on metabolism.

Journal article

Backshall A, Sharma R, Clarke SJ, Keun HCet al., 2011, Pharmacometabonomic Profiling as a Predictor of Toxicity in Patients with Inoperable Colorectal Cancer Treated with Capecitabine, CLINICAL CANCER RESEARCH, Vol: 17, Pages: 3019-3028, ISSN: 1078-0432

Journal article

Primrose S, Draper J, Elsom R, Kirkpatrick V, Mathers JC, Seal C, Beckmann M, Haldar S, Beattie JH, Lodge JK, Jenab M, Keun H, Scalbert Aet al., 2011, Metabolomics and human nutrition., Br J Nutr, Vol: 105, Pages: 1277-1283

The present report summarises a workshop convened by the UK Food Standards Agency (Agency) on 25 March 2010 to discuss the current Agency's funded research on the use of metabolomics technologies in human nutrition research. The objectives of this workshop were to review progress to date, to identify technical challenges and ways of overcoming them, and to discuss future research priorities and the application of metabolomics in public health nutrition research and surveys. Results from studies nearing completion showed that by using carefully designed dietary and sampling regimens, it is possible to identify novel biomarkers of food intake that could not have been predicted from current knowledge of food composition. These findings provide proof-of-principle that the metabolomics approach can be used to develop new putative biomarkers of dietary intake. The next steps will be to validate these putative biomarkers, to develop rapid and inexpensive assays for biomarkers of food intake of high public health relevance, and to test their utility in population cohort studies and dietary surveys.

Journal article

Cavill R, Kamburov A, Ellis JK, Athersuch TJ, Blagrove MSC, Herwig R, Ebbels TMD, Keun HCet al., 2011, Consensus-Phenotype Integration of Transcriptomic and Metabolomic Data Implies a Role for Metabolism in the Chemosensitivity of Tumour Cells, PLOS COMPUTATIONAL BIOLOGY, Vol: 7, ISSN: 1553-734X

Journal article

Chadeau-Hyam M, Athersuch TJ, Keun HC, De Iorio M, Ebbels TMD, Jenab M, Sacerdote C, Bruce SJ, Holmes E, Vineis Pet al., 2011, Meeting-in-the-middle using metabolic profiling - a strategy for the identification of intermediate biomarkers in cohort studies, BIOMARKERS, Vol: 16, Pages: 83-88, ISSN: 1354-750X

Journal article

Keun HC, Athersuch TJ, 2011, Nuclear Magnetic Resonance (NMR)-Based Metabolomics, METABOLIC PROFILING: METHODS AND PROTOCOLS, Editors: Metz, Publisher: HUMANA PRESS INC, Pages: 321-334, ISBN: 978-1-61737-984-0

Book chapter

Ellis JK, Athersuch TJ, Cavill R, Radford R, Slattery C, Jennings P, McMorrow T, Ryan MP, Ebbels TMD, Keun HCet al., 2011, Metabolic response to low-level toxicant exposure in a novel renal tubule epithelial cell system, MOLECULAR BIOSYSTEMS, Vol: 7, Pages: 247-257, ISSN: 1742-206X

Journal article

Ellis JK, Athersuch TJ, Cavill R, Radford R, Slattery C, Jennings P, McMorrow T, Ryan MP, Ebbels TMD, Keun HCet al., 2011, Metabolic response to low level toxicant exposure in a novel renal tubule epithelial cell system (vol 7, pg 247, 2011), MOLECULAR BIOSYSTEMS, Vol: 7, Pages: 2081-2086, ISSN: 1742-206X

Journal article

Yakoub D, Keun HC, Goldin R, Hanna GBet al., 2010, Metabolic Profiling Detects Field Effects in Nondysplastic Tissue from Esophageal Cancer Patients, CANCER RESEARCH, Vol: 70, Pages: 9129-9136, ISSN: 0008-5472

Journal article

Keun HC, 2010, Metabolic Profiling for Biomarker Discovery, Pages: 47-74

Journal article

Pchejetski D, Nunes J, Sauer L, Sidhu J, Sharma A, Keun HC, Waxman J, Stebbing Jet al., 2010, Circulating sphingosine-1-phosphate inversely correlates with chemotherapy-induced weight gain during early breast cancer, BREAST CANCER RESEARCH AND TREATMENT, Vol: 124, Pages: 543-549, ISSN: 0167-6806

Journal article

Lauridsen MB, Bliddal H, Christensen R, Danneskiold-Samsoe B, Bennett R, Keun H, Lindon JC, Nicholson JK, Dorff MH, Jaroszewski JW, Hansen SH, Cornett Cet al., 2010, <SUP>1</SUP>H NMR Spectroscopy-Based Interventional Metabolic Phenotyping: A Cohort Study of Rheumatoid Arthritis Patients, JOURNAL OF PROTEOME RESEARCH, Vol: 9, Pages: 4545-4553, ISSN: 1535-3893

Journal article

Want EJ, Coen M, Masson P, Keun HC, Pearce JTM, Reily MD, Robertson DG, Rohde CM, Holmes E, Lindon JC, Plumb RS, Nicholson JKet al., 2010, Ultra Performance Liquid Chromatography-Mass Spectrometry Profiling of Bile Acid Metabolites in Biofluids: Application to Experimental Toxicology Studies, ANALYTICAL CHEMISTRY, Vol: 82, Pages: 5282-5289, ISSN: 0003-2700

Journal article

Cavill R, Sidhu JK, Kilarski W, Javerzat S, Hagedorn M, Timothy MDE, Bikfalvi A, Keunt HCet al., 2010, A Combined Metabonomic and Transcriptomic Approach to Investigate Metabolism during Development in the Chick Chorioallantoic Membrane, JOURNAL OF PROTEOME RESEARCH, Vol: 9, Pages: 3126-3134, ISSN: 1535-3893

Journal article

Ellis JK, Chan PH, Doktorova T, Athersuch TJ, Cavill R, Vanhaecke T, Rogiers V, Vinken M, Nicholson JK, Ebbels TMD, Keun HCet al., 2010, Effect of the Histone Deacetylase Inhibitor Trichostatin A on the Metabolome of Cultured Primary Hepatocytes, JOURNAL OF PROTEOME RESEARCH, Vol: 9, Pages: 413-419, ISSN: 1535-3893

Journal article

Bollard ME, Contel NR, Ebbels TMD, Smith L, Beckonert O, Cantor GH, Lehman-McKeeman L, Holmes EC, Lindon JC, Nicholson JK, Keun HCet al., 2010, NMR-Based Metabolic Profiling Identifies Biomarkers of Liver Regeneration Following Partial Hepatectomy in the Rat, JOURNAL OF PROTEOME RESEARCH, Vol: 9, Pages: 59-69, ISSN: 1535-3893

Journal article

Beckonert O, Coen M, Keun HC, Wang Y, Ebbels TMD, Holmes E, Lindon JC, Nicholson JKet al., 2010, High-resolution magic-angle-spinning NMR spectroscopy for metabolic profiling of intact tissues, NATURE PROTOCOLS, Vol: 5, Pages: 1019-1032, ISSN: 1754-2189

Journal article

Teichert F, Verschoyle RD, Greaves P, Jones DJL, Wilson ID, Farmer PB, Steward WP, Gescher AJ, Keun HCet al., 2010, Plasma metabolic profiling reveals age-dependency of systemic effects of green tea polyphenols in mice with and without prostate cancer, MOLECULAR BIOSYSTEMS, Vol: 6, Pages: 1911-1916, ISSN: 1742-206X

Journal article

Fletcher M, Boshier P, Smolenski RT, Kirkham PA, Keun H, Hanna G, Takata M, Marczin Net al., 2009, MOLECULAR MECHANISMS OF LUNG EPITHELIAL CELL INJURY INDUCED BY INHIBITION OF GLUTATHIONE-<i>S</i>-TRANSFERASE, Winter Meeting of the British-Thoracic-Society, Publisher: B M J PUBLISHING GROUP, Pages: A38-A39, ISSN: 0040-6376

Conference paper

Bohus E, Racz A, Noszal B, Coen M, Beckonert O, Keun HC, Ebbels TMD, Cantor GH, Wijsman JA, Holmes E, Lindon JC, Nicholson JKet al., 2009, Metabonomic investigations into the global biochemical sequelae of exposure to the pancreatic toxin 1-cyano-2-hydroxy-3-butene in the rat, MAGNETIC RESONANCE IN CHEMISTRY, Vol: 47, Pages: S26-S35, ISSN: 0749-1581

Journal article

Keun HC, Sidhu J, Pchejetski D, Lewis JS, Marconell H, Patterson M, Bloom SR, Amber V, Coombes RC, Stebbing Jet al., 2009, Serum Molecular Signatures of Weight Change during Early Breast Cancer Chemotherapy, CLINICAL CANCER RESEARCH, Vol: 15, Pages: 6716-6723, ISSN: 1078-0432

Journal article

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