Skip to main content

Research Repository

Advanced Search

All Outputs (49)

The impact of physical inactivity on glucose homeostasis when diet is adjusted to maintain energy balance in healthy, young males (2023)
Journal Article
Trim, W. V., Walhin, J. P., Koumanov, F., Turner, J. E., Shur, N. F., Simpson, E. J., …Thompson, D. (2023). The impact of physical inactivity on glucose homeostasis when diet is adjusted to maintain energy balance in healthy, young males. Clinical Nutrition, 42(4), 532-540. https://doi.org/10.1016/j.clnu.2023.02.006

Background & aims: It is unclear if dietary adjustments to maintain energy balance during reduced physical activity can offset inactivity-induced reductions in insulin sensitivity and glucose disposal to produce normal daily glucose concentrations an... Read More about The impact of physical inactivity on glucose homeostasis when diet is adjusted to maintain energy balance in healthy, young males.

A comparative, randomised MRI study of the physiological and appetitive responses to gelling (alginate) and non-gelling nasogastric tube feeds in healthy men (2023)
Journal Article
Aliyu, A. I., Nixon, A., Hoad, C., Marciani, L., Corsetti, M., Aithal, G. P., …Taylor, M. A. (2023). A comparative, randomised MRI study of the physiological and appetitive responses to gelling (alginate) and non-gelling nasogastric tube feeds in healthy men. British Journal of Nutrition, 130(8), 1316-1328. https://doi.org/10.1017/S0007114523000302

AbstractInclusion in nasogastric tube feeds (NGTF) of acid-sensitive, seaweed-derived alginate, expected to form a reversible gel in the stomach, may create a more normal intragastric state and modified gastrointestinal responses. This may ameliorate... Read More about A comparative, randomised MRI study of the physiological and appetitive responses to gelling (alginate) and non-gelling nasogastric tube feeds in healthy men.

Cocoa Flavanol Supplementation and the Effect on Insulin Resistance in Females Who Are Overweight or Obese: A Randomized, Placebo-Controlled Trial (2023)
Journal Article
Simpson, E. J., Mendis, B., Dunlop, M., Schroeter, H., Kwik-Uribe, C., & Macdonald, I. A. (2023). Cocoa Flavanol Supplementation and the Effect on Insulin Resistance in Females Who Are Overweight or Obese: A Randomized, Placebo-Controlled Trial. Nutrients, 15(3), Article 565. https://doi.org/10.3390/nu15030565

There is interest in the impact that dietary interventions can have on preventing the transition from insulin resistance to type 2 diabetes, including a suggestion that the bioactive components of cocoa may enhance fasting insulin sensitivity. Howeve... Read More about Cocoa Flavanol Supplementation and the Effect on Insulin Resistance in Females Who Are Overweight or Obese: A Randomized, Placebo-Controlled Trial.

Human adaptation to immobilization: Novel insights of impacts on glucose disposal and fuel utilization (2022)
Journal Article
Shur, N. F., Simpson, E. J., Crossland, H., Chivaka, P. K., Constantin, D., Cordon, S. M., …Greenhaff, P. L. (2022). Human adaptation to immobilization: Novel insights of impacts on glucose disposal and fuel utilization. Journal of Cachexia, Sarcopenia and Muscle, 13(6), 2999-3013. https://doi.org/10.1002/jcsm.13075

Background: Bed rest (BR) reduces whole-body insulin-stimulated glucose disposal (GD) and alters muscle fuel metabolism, but little is known about metabolic adaptation from acute to chronic BR nor the mechanisms involved, particularly when volunteers... Read More about Human adaptation to immobilization: Novel insights of impacts on glucose disposal and fuel utilization.

Age- and sex-specific effects of a long-term lifestyle intervention on body weight and cardiometabolic health markers in adults with prediabetes: results from the diabetes prevention study PREVIEW (2022)
Journal Article
Zhu, R., Craciun, I., Bernhards-Werge, J., Jalo, E., Poppitt, S. D., Silvestre, M. P., …Raben, A. (2022). Age- and sex-specific effects of a long-term lifestyle intervention on body weight and cardiometabolic health markers in adults with prediabetes: results from the diabetes prevention study PREVIEW. Diabetologia, 65(8), 1262-1277. https://doi.org/10.1007/s00125-022-05716-3

Aims/hypothesis Lifestyle interventions are the first-line treatment option for body weight and cardiometabolic health management. However, whether age groups or women and men respond differently to lifestyle interventions is under debate. We aime... Read More about Age- and sex-specific effects of a long-term lifestyle intervention on body weight and cardiometabolic health markers in adults with prediabetes: results from the diabetes prevention study PREVIEW.

The Use and Effectiveness of Selected Alternative Markers for Insulin Sensitivity and Secretion Compared with Gold Standard Markers in Dietary Intervention Studies in Individuals without Diabetes: Results of a Systematic Review (2022)
Journal Article
Vazquez Rocha, L., Macdonald, I., Alssema, M., & Færch, K. (2022). The Use and Effectiveness of Selected Alternative Markers for Insulin Sensitivity and Secretion Compared with Gold Standard Markers in Dietary Intervention Studies in Individuals without Diabetes: Results of a Systematic Review. Nutrients, 14(10), Article 2036. https://doi.org/10.3390/nu14102036

Background: The gold‐standard techniques for measuring insulin sensitivity and secretion are well established. However, they may be perceived as invasive and expensive for use in dietary intervention studies. Thus, surrogate markers have been propose... Read More about The Use and Effectiveness of Selected Alternative Markers for Insulin Sensitivity and Secretion Compared with Gold Standard Markers in Dietary Intervention Studies in Individuals without Diabetes: Results of a Systematic Review.

Age-related changes in muscle architecture and metabolism in humans: The likely contribution of physical inactivity to age-related functional decline (2021)
Journal Article
Shur, N. F., Creedon, L., Skirrow, S., Atherton, P. J., MacDonald, I. A., Lund, J., & Greenhaff, P. L. (2021). Age-related changes in muscle architecture and metabolism in humans: The likely contribution of physical inactivity to age-related functional decline. Ageing Research Reviews, 68, Article 101344. https://doi.org/10.1016/j.arr.2021.101344

In the United Kingdom (UK), it is projected that by 2035 people aged >65 years will make up 23 % of the population, with those aged >85 years accounting for 5% of the total population. Ageing is associated with progressive changes in muscle metabolis... Read More about Age-related changes in muscle architecture and metabolism in humans: The likely contribution of physical inactivity to age-related functional decline.

Goal achievement and adaptive goal adjustment in a behavioral intervention for participants with prediabetes (2020)
Journal Article
Huttunen-Lenz, M., Hansen, S., Vestentoft, P. S., Meinert Larsen, T., Westerterp-Plantenga, M., Drummen, M., …Schlicht, W. (2021). Goal achievement and adaptive goal adjustment in a behavioral intervention for participants with prediabetes. Journal of Health Psychology, 26(14), 2743-2755. https://doi.org/10.1177/1359105320925150

© The Author(s) 2020. Participants with prediabetes were supported to achieve and maintain weight loss with a stage-based behavior change group program named PREview behavior Modification Intervention Toolbox (PREMIT). The tendency to engage in a pro... Read More about Goal achievement and adaptive goal adjustment in a behavioral intervention for participants with prediabetes.

A randomized, controlled, double-blind crossover study on the effects of isoeffective and isovolumetric intravenous crystalloid and gelatin on blood volume, and renal and cardiac hemodynamics (2019)
Journal Article
Bradley, C. R., Bragg, D. D., Cox, E. F., El-Sharkawy, A. M., Buchanan, C. E., Chowdhury, A. H., …Lobo, D. N. (2020). A randomized, controlled, double-blind crossover study on the effects of isoeffective and isovolumetric intravenous crystalloid and gelatin on blood volume, and renal and cardiac hemodynamics. Clinical Nutrition, 39(7), 2070-2079. https://doi.org/10.1016/j.clnu.2019.09.011

Background & aims Blood volume expanding properties of colloids are superior to crystalloids. In addition to oncotic/osmotic properties, the electrolyte composition of infusions may have important effects on visceral perfusion, with infusions contai... Read More about A randomized, controlled, double-blind crossover study on the effects of isoeffective and isovolumetric intravenous crystalloid and gelatin on blood volume, and renal and cardiac hemodynamics.

Computer Tomography-Based Psoas Skeletal Muscle Area and Radiodensity are Poor Sentinels for Whole L3 Skeletal Muscle Values (2019)
Journal Article
Rollins, K. E., Gopinath, A., Awwad, A., Macdonald, I. A., & Lobo, D. N. (2020). Computer Tomography-Based Psoas Skeletal Muscle Area and Radiodensity are Poor Sentinels for Whole L3 Skeletal Muscle Values. Clinical Nutrition, 39(7), 2227-2232. https://doi.org/10.1016/j.clnu.2019.10.003

Background and aims Computed tomography (CT)-based measurement of skeletal muscle cross-sectional area (CSA) and Hounsfield unit (HU) radiodensity are used to assess the presence of sarcopenia and myosteatosis, respectively. The validated CT-based t... Read More about Computer Tomography-Based Psoas Skeletal Muscle Area and Radiodensity are Poor Sentinels for Whole L3 Skeletal Muscle Values.

Impaired Awareness of Hypoglycemia Disrupts Blood Flow to Brain Regions Involved in Arousal and Decision Making in Type 1 Diabetes (2019)
Journal Article
Nwokolo, M., Amiel, S. A., O'Daly, O., Byrne, M. L., Wilson, B. M., Pernet, A., …Choudhary, P. (2019). Impaired Awareness of Hypoglycemia Disrupts Blood Flow to Brain Regions Involved in Arousal and Decision Making in Type 1 Diabetes. Diabetes Care, 42(11), 2127-2135. https://doi.org/10.2337/dc19-0337

© 2019 by the American Diabetes Association. OBJECTIVE: Impaired awareness of hypoglycemia (IAH) affects one-quarter of adults with type 1 diabetes and significantly increases the risk of severe hypoglycemia. Differences in regional brain responses t... Read More about Impaired Awareness of Hypoglycemia Disrupts Blood Flow to Brain Regions Involved in Arousal and Decision Making in Type 1 Diabetes.

Glycemic, Gastrointestinal, Hormonal and Appetitive Responses to Pearl Millet or Oats Porridge Breakfasts: a Randomized, Crossover Trial in Healthy Humans (2019)
Journal Article
Alyami, J., Whitehouse, E., Yakubov, G. E., Pritchard, S. E., Hoad, C. L., Blackshaw, E., …Marciani, L. (2019). Glycemic, Gastrointestinal, Hormonal and Appetitive Responses to Pearl Millet or Oats Porridge Breakfasts: a Randomized, Crossover Trial in Healthy Humans. British Journal of Nutrition, https://doi.org/10.1017/S0007114519001880

Whole grain cereal breakfast consumption has been associated with beneficial effects on glucose and insulin metabolism as well as satiety. Pearl millet is a popular ancient grain variety that can be grown in hot, dry regions. However, little is known... Read More about Glycemic, Gastrointestinal, Hormonal and Appetitive Responses to Pearl Millet or Oats Porridge Breakfasts: a Randomized, Crossover Trial in Healthy Humans.

Interaction of nutrition and genetics via DNMT3L-mediated DNA methylation determines cognitive decline (2019)
Journal Article
Flitton, M., Rielly, N., Warman, R., Warden, D., Smith, A. D., Macdonald, I. A., & Knight, H. M. (2019). Interaction of nutrition and genetics via DNMT3L-mediated DNA methylation determines cognitive decline. Neurobiology of Aging, 78, 64-73. https://doi.org/10.1016/j.neurobiolaging.2019.02.001

Low homocysteine levels and B vitamin treatment are reported to protect against declining cognitive health. Both B vitamins and homocysteine are involved in the production of S-adenosylmethionine, a universal methyl donor essential for the process of... Read More about Interaction of nutrition and genetics via DNMT3L-mediated DNA methylation determines cognitive decline.

Effect of a long bout versus short bouts of walking on weight loss during a weight loss diet: a randomized trial (2019)
Journal Article
Madjd, A., Taylor, M. A., Delavari, A., Malekzadeh, R., Macdonald, I. A., & Farshchi, H. R. (2019). Effect of a long bout versus short bouts of walking on weight loss during a weight loss diet: a randomized trial. Obesity, 27(4), 551-558. https://doi.org/10.1002/oby.22416

Objective: To evaluate the effect of different daily physical activity (PA) frequencies while maintaining the same daily volume of PA on weight loss, carbohydrate and lipid metabolism, in women with overweight/obesity throughout a 24- week interventi... Read More about Effect of a long bout versus short bouts of walking on weight loss during a weight loss diet: a randomized trial.

PREVIEW study—influence of a behavior modification intervention (PREMIT) in over 2300 people with pre-diabetes: intention, self-efficacy and outcome expectancies during the early phase of a lifestyle intervention (2018)
Journal Article
Huttunen-Lenz, M., Hansen, S., Christensen, P., Meinert Larsen, T., SandØ-Pedersen, F., Drummen, M., …Schlicht, W. (2018). PREVIEW study—influence of a behavior modification intervention (PREMIT) in over 2300 people with pre-diabetes: intention, self-efficacy and outcome expectancies during the early phase of a lifestyle intervention. Psychology Research and Behavior Management, 11, 383-394. https://doi.org/10.2147/prbm.s160355

Purpose: Onset of type 2 diabetes (T2D) is often gradual and preceded by impaired glucose homeostasis. Lifestyle interventions including weight loss and physical activity may reduce the risk of developing T2D, but adherence to a lifestyle change is c... Read More about PREVIEW study—influence of a behavior modification intervention (PREMIT) in over 2300 people with pre-diabetes: intention, self-efficacy and outcome expectancies during the early phase of a lifestyle intervention.

Demographic and social-cognitive factors associated with weight loss in overweight, pre-diabetic participants of the PREVIEW Study (2018)
Journal Article
Hansen, S., Huttunen-Lenz, M., Sluik, D., Brand-Miller, J., Drummen, M., Fogelholm, M., …Schlicht, W. (2018). Demographic and social-cognitive factors associated with weight loss in overweight, pre-diabetic participants of the PREVIEW Study. International Journal of Behavioral Medicine, 25(6), 682–692. https://doi.org/10.1007/s12529-018-9744-x

Purpose Weight loss has been demonstrated to be a successful strategy in diabetes prevention. Although weight loss is greatly influenced by dietary behaviors, social-cognitive factors play an important role in behavioral determination. This study... Read More about Demographic and social-cognitive factors associated with weight loss in overweight, pre-diabetic participants of the PREVIEW Study.

A comparison of two different software packages for the analysis of body composition using computed tomography images (2018)
Journal Article
Rollins, K. E., Awwad, A., MacDonald, I. A., & Lobo, D. N. (2019). A comparison of two different software packages for the analysis of body composition using computed tomography images. Nutrition, 57, 92-96. https://doi.org/10.1016/j.nut.2018.06.003

Objectives: Body composition analysis from computed tomography (CT) imaging has become widespread. However, the methodology used is far from established. Two main software packages are in common usage for body composition analysis, with results used... Read More about A comparison of two different software packages for the analysis of body composition using computed tomography images.

Postoperative inflammation and insulin resistance in relation to body composition, adiposity and carbohydrate treatment: a randomised controlled study (2018)
Journal Article
Tewari, N., Awad, S., Duška, F., Williams, J. P., Bennett, A., MacDonald, I. A., & Lobo, D. N. (2018). Postoperative inflammation and insulin resistance in relation to body composition, adiposity and carbohydrate treatment: a randomised controlled study. Clinical Nutrition, https://doi.org/10.1016/j.clnu.2018.01.032

Background and Aims: The aims of this study were to identify whether differences in distribution of adipose tissue and skeletal muscle in obese and non-obese individuals contribute to the magnitude of the postoperative inflammatory response and insul... Read More about Postoperative inflammation and insulin resistance in relation to body composition, adiposity and carbohydrate treatment: a randomised controlled study.

Effects of sprint interval training on ectopic lipids and tissue-specific insulin sensitivity in men with non-alcoholic fatty liver disease (2018)
Journal Article
Sargeant, J. A., Bawden, S., Aithal, G. P., Simpson, E. J., Macdonald, I. A., Turner, M. C., …King, J. A. (2018). Effects of sprint interval training on ectopic lipids and tissue-specific insulin sensitivity in men with non-alcoholic fatty liver disease. European Journal of Applied Physiology, 118(4), 817-828. https://doi.org/10.1007/s00421-018-3818-y

Purpose: This study examined the feasibility of sprint interval exercise training (SIT) for men with non-alcoholic fatty liver disease (NAFLD) and its effects on intrahepatic triglyceride (IHTG), insulin sensitivity (hepatic and peripheral), visceral... Read More about Effects of sprint interval training on ectopic lipids and tissue-specific insulin sensitivity in men with non-alcoholic fatty liver disease.

Glycaemic, gastrointestinal and appetite responses to breakfast porridges from ancient cereal grains: a MRI pilot study in healthy humans (2017)
Journal Article
Alyami, J., Ladd, N., Pritchard, S. E., Hoad, C. L., Abdul Sultan, A., Spiller, R. C., …Taylor, M. A. (2017). Glycaemic, gastrointestinal and appetite responses to breakfast porridges from ancient cereal grains: a MRI pilot study in healthy humans. Food Research International, https://doi.org/10.1016/j.foodres.2017.11.071

Cereal grain based porridges are commonly consumed throughout the world. Whilst some data are available for varieties that are popular in the Western world such as oats and rye, other ‘ancient’ grains used in the East and in Africa such as millets ar... Read More about Glycaemic, gastrointestinal and appetite responses to breakfast porridges from ancient cereal grains: a MRI pilot study in healthy humans.