Research Topics
| Roy TaylorSummaryAffiliation: University of Newcastle Country: UK Publications
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Publications
Combination peroxisome proliferator-activated receptor gamma and alpha agonist treatment in Type 2 diabetes prevents the beneficial pioglitazone effect on liver fat contentR Balasubramanian
Newcastle Magnetic Resonance Centre, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
Diabet Med 27:150-6. 2010..However, the precise effects of combined PPAR-gamma and PPAR-alpha therapy on intra-organ triglyceride content and insulin sensitivity in subjects with Type 2 diabetes have not yet been determined...
Banting Memorial lecture 2012: reversing the twin cycles of type 2 diabetesR Taylor
Magnetic Resonance Centre, Institute of Cellular Medicine Newcastle University, Newcastle upon Tyne, UK
Diabet Med 30:267-75. 2013..It is now clear that Type 2 diabetes is a reversible condition of intra-organ fat excess to which some people are more susceptible than others...
Reversal of type 2 diabetes: normalisation of beta cell function in association with decreased pancreas and liver triacylglycerolE L Lim
Magnetic Resonance Centre, Institute of Cellular Medicine, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, NE4 5PL, UK
Diabetologia 54:2506-14. 2011..Type 2 diabetes is regarded as inevitably progressive, with irreversible beta cell failure. The hypothesis was tested that both beta cell failure and insulin resistance can be reversed by dietary restriction of energy intake...
Type 1 diabetes and pregnancyRoy Taylor
Newcastle University, and Royal Victoria Infirmary, Newcastle upon Tyne
BMJ 334:742-5. 2007
Digami too?R Taylor
Medical School, University of Newcastle upon Tyne, Framlington Place, Newcastle upon Tyne, NE2 4HH, UK
Diabetologia 49:1134-7. 2006
Pathogenesis of type 2 diabetes: tracing the reverse route from cure to causeR Taylor
Magnetic Resonance Centre, Newcastle University, Campus for Ageing and Vitality, Newcastle upon Tyne, UK
Diabetologia 51:1781-9. 2008..These defects are capable of dramatic reversal under hypoenergetic feeding conditions, completely in early diabetes and to a worthwhile extent in more established disease...
Clinical outcomes of pregnancy in women with type 1 diabetes(1)Roy Taylor
Department of Medicine, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom
Obstet Gynecol 99:537-41. 2002..To evaluate predictors of neonatal hypoglycemia and macrosomia in 107 consecutive pregnancies in type 1 diabetic women...
Appropriate insulin regimes for type 2 diabetes: a multicenter randomized crossover studyR Taylor
Diabetes Center, Newcastle upon Tyne, UK
Diabetes Care 23:1612-8. 2000..Patient treatment satisfaction and quality of life were also examined before and during each treatment...
Pioglitazone decreases fasting and postprandial endogenous glucose production in proportion to decrease in hepatic triglyceride contentBalasubramanian Ravikumar
Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, U K
Diabetes 57:2288-95. 2008..We studied the effect of pioglitazone on hepatic triglyceride content and the consequent effect on postprandial endogenous glucose production (EGP) in type 2 diabetes...
Loss of capacity to recover from acidosis in repeat exercise is strongly associated with fatigue in primary biliary cirrhosisKieren G Hollingsworth
Newcastle Magnetic Resonance Centre, Newcastle University, UK
J Hepatol 53:155-61. 2010..We modelled this effect by exploring kinetics of pH recovery during 3 linked exercise episodes using magnetic resonance spectroscopy (MRS)...
Inhibition of lipolysis in Type 2 diabetes normalizes glucose disposal without change in muscle glycogen synthesis ratesEe L Lim
Newcastle Magnetic Resonance Centre, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne NE4 5PL, UK
Clin Sci (Lond) 121:169-77. 2011..ATP turnover rate in muscle exhibits no relationship to the acute metabolic effect of insulin...
Effects of raising muscle glycogen synthesis rate on skeletal muscle ATP turnover rate in type 2 diabetesEe L Lim
Institute of Cellular Medicine, Newcastle Magnetic Resonance Centre, Newcastle University, Newcastle upon Tyne, United Kingdom
Am J Physiol Endocrinol Metab 301:E1155-62. 2011..In type 2 diabetes, skeletal muscle ATP turnover rates reflect the rate of glucose uptake and glycogen synthesis, rather than any primary mitochondrial defect...
Acute inhibition of lipolysis does not affect postprandial suppression of endogenous glucose productionPeter E Carey
Dept. of Medicine, The Medical School, Framlington Place, Newcastle upon Tyne NE2 4HH, UK
Am J Physiol Endocrinol Metab 289:E941-7. 2005..Acute pharmacological sequestration of fatty acids in triglyceride stores improves postprandial glucose homeostasis without effect on the immediate postprandial suppression of EGP...
Effect of repaglinide and gliclazide on postprandial control of endogenous glucose productionParag Singhal
Diabetes Research Group, The Medical School, School of Clinical Medical Sciences, University of Newcastle upon Tyne, New Castle upon Tyne NE2, 4HH, UK
Metabolism 54:79-84. 2005..17). Repaglinide has minimal physiological advantage over gliclazide, but both therapies for type 2 diabetes fall far short of correcting the endocrine and metabolic abnormalities...
Impaired cerebral autoregulation in primary biliary cirrhosis: implications for the pathogenesis of cognitive declineKieren G Hollingsworth
Newcastle Magnetic Resonance Centre, Newcastle University, Newcastle upon Tyne, UK
Liver Int 30:878-85. 2010..Cognitive impairment is recognised in the early stages of primary biliary cirrhosis (PBC)...
Impaired cardiovascular response to standing in chronic fatigue syndromeKieren G Hollingsworth
Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
Eur J Clin Invest 40:608-15. 2010..This study examined the relationship between skeletal and cardiac muscle function and symptoms on standing in CFS using magnetic resonance spectroscopy (MRS) and impedance cardiography...
The second-meal phenomenon in type 2 diabetesAna Jovanovic
Diabetes Research Group and Newcastle Magnetic Resonance Centre, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
Diabetes Care 32:1199-201. 2009..In health, the rise in glucose after lunch is less if breakfast is eaten. We evaluated the second-meal effect in type 2 diabetes...
Measuring the acute effect of insulin infusion on ATP turnover rate in human skeletal muscle using phosphorus-31 magnetic resonance saturation transfer spectroscopyEe Lin Lim
Institute of Cellular Medicine, Newcastle Magnetic Resonance Centre, Newcastle University, Newcastle upon Tyne, UK
NMR Biomed 23:952-7. 2010..03 vs baseline). The in vivo time course of insulin stimulation of skeletal muscle ATP turnover rate is not consistent with a rate limiting effect upon the initiation of insulin-stimulated glycogen synthesis...
Cardiac torsion-strain relationships in fatigued primary biliary cirrhosis patients show accelerated aging: a pilot cross-sectional studyKieren G Hollingsworth
Newcastle Magnetic Resonance Centre and Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
J Appl Physiol 112:2043-8. 2012..This is analogous to the changes found in healthy aging for subjects ∼16 yr older than the fatigued PBC patients. Hence the hearts of fatigued PBC patients may be subject to processes of accelerated aging...
Globus pallidus magnetization transfer ratio, T(1) and T(2) in primary biliary cirrhosis: relationship with disease stage and ageKieren G Hollingsworth
Newcastle Magnetic Resonance Centre, Newcastle University, UK
J Magn Reson Imaging 29:780-4. 2009....
The second-meal phenomenon is associated with enhanced muscle glycogen storage in humansAna Jovanovic
Diabetes Research Group, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, U K
Clin Sci (Lond) 117:119-27. 2009..48, P<0.05). The second-meal effect is associated with priming of muscle glycogen synthesis consequent upon sustained suppression of plasma NEFA concentrations...
Resistance exercise reduces liver fat and its mediators in non-alcoholic fatty liver disease independent of weight lossKate Hallsworth
Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK2NIHR Biomedical Research Centre for Ageing and Age related Disease, Newcastle University, Newcastle upon Tyne, UK
Gut 60:1278-83. 2011..Aerobic exercise is not well sustained and the effectiveness of the better tolerated resistance exercise upon liver lipid and mediators of liver lipid has not been assessed...
Increased daily walking improves lipid oxidation without changes in mitochondrial function in type 2 diabetesMichael I Trenell
Diabetes Research Group, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
Diabetes Care 31:1644-9. 2008..To determine whether increased daily physical activity improves mitochondrial function and/or lipid oxidation in type 2 diabetes...
Utilizing the second-meal effect in type 2 diabetes: practical use of a soya-yogurt snackMei Jun Chen
Newcastle Magnetic Resonance Centre, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
Diabetes Care 33:2552-4. 2010..To evaluate the effect of a prebreakfast high-protein snack upon postbreakfast hyperglycemia...
Pilot study of peripheral muscle function in primary biliary cirrhosis: potential implications for fatigue pathogenesisKieren G Hollingsworth
Newcastle Magnetic Resonance Centre, Newcastle University, Newcastle upon Tyne, United Kingdom
Clin Gastroenterol Hepatol 6:1041-8. 2008..Although anti-PDC inhibits PDC function in vitro, mitochondrial function in vivo in PBC has not been examined...
Impaired cardiovascular function in primary biliary cirrhosisDavid E J Jones
Institute of Cellular Medicine, Newcastle Univ, UK
Am J Physiol Gastrointest Liver Physiol 298:G764-73. 2010..Autonomic "dysfunction" may, rather than being an abnormal process, represent a compensatory mechanism to increase cardiac return to mitigate these effects...
Life-threatening hypokalaemia on a low-carbohydrate diet associated with previously undiagnosed primary hyperaldosteronism [corrected]A Advani
Department of Diabetes and Metabolism, Medical School, William Leech Building, 1 Framlington Place, Newcastle upon Tyne NE2 4HH, UK
Diabet Med 22:1605-7. 2005..We present a patient with Type 2 diabetes and previously undiagnosed hyperaldosteronism who developed life-threatening hypokalaemia while following a low-carbohydrate diet...
Effect of insulin therapy on plasma leptin and body weight in patients with type 2 diabetesP E Carey
Diabetes Centre, Newcastle upon Tyne
Horm Metab Res 35:372-6. 2003..This study set out to define relationships between changes in plasma leptin and changes in body weight, plasma insulin and blood glucose control during a 12-month crossover study of once-daily Ultratard or twice-daily Insulatard insulin...
Do obese but metabolically normal women differ in intra-abdominal fat and physical activity levels from those with the expected metabolic abnormalities? A cross-sectional studyLouise Hayes
Institute of Health and Society, Newcastle University, Newcastle upon Tyne, UK
BMC Public Health 10:723. 2010..The aim of this study was to determine to what extent differences in metabolic health in very obese women are explained by differences in body fat distribution, insulin resistance and level of physical activity...
Direct assessment of muscle glycogen storage after mixed meals in normal and type 2 diabetic subjectsP E Carey
Department of Diabetes and Metabolism, University of Newcastle upon Tyne, Newcastle upon Tyne NE2 4HH, United Kingdom
Am J Physiol Endocrinol Metab 284:E688-94. 2003..87, P < 0.002). This study quantitates for the first time the subnormal basal muscle glycogen concentration and the inadequate glycogen storage after meals in type 2 diabetes...
Causation of type 2 diabetes -- the Gordian knot unravelsRoy Taylor
University of Newcastle upon Tyne Medical School, Newcastle upon Tyne, United Kingdom
N Engl J Med 350:639-41. 2004
Long-term progression of retinopathy after initiation of insulin therapy in Type 2 diabetes: an observational studyC S Arun
Department of Medicine, The Medical School, University of Newcastle, Newcastle upon Tyne, UK
Diabetologia 47:1380-4. 2004..Universal worsening of retinopathy after starting insulin therapy in Type 2 diabetes has been suggested in previous work...
Regulation of endogenous glucose production after a mixed meal in type 2 diabetesParag Singhal
Diabetes Research Group, School of Clinical Medical Sciences, University of Newcastle upon Tyne, Newcastle upon Tyne NE2 4HH, United Kingdom
Am J Physiol Endocrinol Metab 283:E275-83. 2002..1.31 +/- 0.13 mg x kg(-1) x min(-1), P < 0.02). These data quantitate the initial rapid suppression of EGP after a mixed meal in type 2 diabetes and the contribution of continuing excess glucose production to subsequent hyperglycemia...
Cognitive impairment in primary biliary cirrhosis: symptom impact and potential etiologyJulia L Newton
Liver Research Group, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
Hepatology 48:541-9. 2008..Cognitive impairment is, in turn, associated with structural brain lesions and autonomic dysfunction, which may predict risk of cognitive decline...
Whole body protein kinetics in women: effect of pregnancy and IDDM during anabolic stimulationP G Whittaker
Department of Obstetrics and Gynecology, University of Newcastle upon Tyne, Royal Victoria Infirmary, Newcastle, Tyne and Wear NE1 4LP, United Kingdom
Am J Physiol Endocrinol Metab 279:E978-88. 2000..05). These alterations may enable amino acid conservation for protein synthesis and accretion in late pregnancy. Well-controlled type 1 diabetes caused no abnormalities in the regulation of basal or stimulated protein metabolism...
Receptor binding and biological potency of despentapeptide insulinR Taylor
Department of Medicine, University of Newcastle upon Tyne, United Kingdom
Horm Metab Res 21:249-52. 1989..These data suggest differences in the binding-action linking in the cells of different tissues and different species...
Management of hyperemesis gravidarum: the importance of weight loss as a criterion for steroid therapyP Moran
Department of Fetal Medicine, Royal Victoria Infirmary, Newcastle upon Tyne, UK
QJM 95:153-8. 2002..In these women, steroid therapy was uniformly successful resulting in the prompt resolution of symptoms. Steroid therapy did not affect birth weight...
Management of incidental hyperglycaemia in acute medical emergenciesA Al-Bermani
Diabetes Unit, Royal Victoria Infirmary, Newcastle upon Tyne, UK
Diabet Med 22:937-41. 2005..Widespread debate of this issue is required to minimize morbidity and mortality due to hyperglycaemia...
Abnormalities in pH handling by peripheral muscle and potential regulation by the autonomic nervous system in chronic fatigue syndromeD E J Jones
Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
J Intern Med 267:394-401. 2010..To examine muscle acid handling following exercise in chronic fatigue syndrome (CFS/ME) and the relationship with autonomic dysfunction...
Influence of pregnancy on long-term progression of retinopathy in patients with type 1 diabetesC S Arun
Royal Victoria Infirmary and Diabetes Centre, Newcastle upon Tyne, UK
Diabetologia 51:1041-5. 2008..It has been reported that deterioration continues in the months after delivery, but direct data are lacking. It is also unclear what impact pregnancy has on the long-term progression of retinopathy...
The prevention of progression of arterial disease and diabetes (POPADAD) trial: factorial randomised placebo controlled trial of aspirin and antioxidants in patients with diabetes and asymptomatic peripheral arterial diseaseJill Belch
Institute of Cardiovascular Research, University of Dundee, Ninewells Hospital, Dundee DD1 9SY
BMJ 337:a1840. 2008..To determine whether aspirin and antioxidant therapy, combined or alone, are more effective than placebo in reducing the development of cardiovascular events in patients with diabetes mellitus and asymptomatic peripheral arterial disease...
Mathematical model for photocatalytic destruction of organic contaminants in airWipada Sanongraj
Chemical Engineering Department, Ubon Ratchathani University, Ubon Ratchathani, Thailand
J Air Waste Manag Assoc 57:1112-22. 2007..We discuss applicability of the model to estimate the influence of process variables and to evaluate photocatalyst performance...
A prevalent variant in PPP1R3A impairs glycogen synthesis and reduces muscle glycogen content in humans and miceDavid B Savage
Department of Clinical Biochemistry and Medicine, University of Cambridge, Cambridge, United Kingdom
PLoS Med 5:e27. 2008..However, the functional implications of the mutation were not known. The objective of this study was to characterise the molecular and physiological consequences of this genetic variant...
