Professor John Speakman

Professor John Speakman

Chair in Zoology

Overview
Professor John Speakman
Professor John Speakman

Contact Details

Telephone
work +44 (0)1224 272879
Email
Web Links
for personal site go to JRS homepage for group pages go to Energetics research group

Energetics Research Group

Publications

Publications 

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Page 1 of 11 Results 1 to 50 of 505

  • Speakman, JR 2020, 'An Evolutionary Perspective on Sedentary Behavior', BioEssays, vol. 42, no. 1, 1900156. [Online] DOI: https://doi.org/10.1002/bies.201900156
  • Yosaee, S, Khodadost, M, Esteghamati, A, Speakman, JR, Djafarian, K, Bitarafan, V & Shidfar, F 2019, 'Adiponectin: An indicator for metabolic syndrome', Iranian Journal of Public Health, vol. 48, no. 6, pp. 1106-1115.
  • Anderson, L, Close, GL, Morgans, R, Hambly, C, Speakman, JR, Drust, B & Morton, JP 2019, 'Brief Report: Assessment of Energy Expenditure of a Professional Goalkeeper From the English Premier League Using the Doubly Labeled Water Method', International journal of sports physiology and performance, vol. 14, no. 5, pp. 681-684. [Online] DOI: https://doi.org/10.1123/ijspp.2018-0520
  • Anderson, L, Close, GL, Konopinksi, M, Rydings, D, Milsom, J, Hambly, C, Speakman, JR, Drust, B & Morton, JP 2019, 'Case Study: Muscle Atrophy, Hypertrophy, and Energy Expenditure of a Premier League Soccer Player During Rehabilitation From Anterior Cruciate Ligament Injury', International Journal of Sport Nutrition and Exercise Metabolism, vol. 29, no. 5, pp. 559-566. [Online] DOI: https://doi.org/10.1123/ijsnem.2018-0391
  • Hall, KD, Guo, J & Speakman, JR 2019, 'Do low-carbohydrate diets increase energy expenditure?', International Journal of Obesity, vol. 43, pp. 2350-2354. [Online] DOI: https://doi.org/10.1038/s41366-019-0456-3
  • Kazemi, A, Speakman, JR, Soltani, S & Djafarian, K 2019, 'Effect of calorie restriction or protein intake on circulating levels of insulin like growth factor I in humans: A systematic review and meta-analysis', Clinical Nutrition. [Online] DOI: https://doi.org/10.1016/j.clnu.2019.07.030
  • Nachvak, SM, Pasdar, Y, Pirsaheb, S, Darbandi, M, Niazi, P, Mostafai, R & Speakman, JR 2019, 'Effects of Ramadan on food intake, glucose homeostasis, lipid profiles and body composition composition', European Journal of Clinical Nutrition, vol. 73, pp. 594-600. [Online] DOI: https://doi.org/10.1038/s41430-018-0189-8
  • Monarca, RI, Speakman, JR & Mathias, MDL 2019, 'Energetics and thermal adaptation in semifossorial pine-voles Microtus lusitanicus and Microtus duodecimcostatus', Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology, vol. 189, no. 2, pp. 309-318. [Online] DOI: https://doi.org/10.1007/s00360-019-01205-z
  • Riek, A, Stölzl, A, Marquina Bernedo, R, Ruf, T, Arnold, W, Hambly, C, Speakman, JR & Gerken, M 2019, 'Energy expenditure and body temperature variations in llamas living in the High Andes of Peru', Scientific Reports, vol. 9, 4037. [Online] DOI: https://doi.org/10.1038/s41598-019-40576-9
  • Thurber, C, Dugas, LR, Ocobock, C, Carlson, B, Speakman, JR & Pontzer, H 2019, 'Extreme Events Reveal an Alimentary Limit on Sustained Maximal Human Energy Expenditure', Science Advances, vol. 5, no. 6, eaaw0341. [Online] DOI: https://doi.org/10.1126/sciadv.aaw0341
  • Speakman, JR 2019, 'Fifty shades of brown: The functions, diverse regulation and evolution of brown adipose tissue', Molecular Aspects of Medicine, vol. 68, pp. 1-5. [Online] DOI: https://doi.org/10.1016/j.mam.2019.07.006
  • Lipina, C, Walsh, SK, Mitchell, SE, Speakman, JR, Wainwright, CL & Hundal, HS 2019, 'GPR55 deficiency is associated with increased adiposity and impaired insulin signaling in peripheral metabolic tissues', The FASEB Journal, vol. 33, no. 1, pp. 1299-1312. [Online] DOI: https://doi.org/10.1096/fj.201800171R
  • Zhang, X & Speakman, JR 2019, 'Genetic Factors Associated With Human Physical Activity: Are Your Genes Too Tight To Prevent You Exercising?', Endocrinology, vol. 160, no. 4, pp. 840-852. [Online] DOI: https://doi.org/10.1210/en.2018-00873
  • Togo, J, Hu, S, Li, M, Niu, C & Speakman, JR 2019, 'Impact of dietary sucrose on adiposity and glucose homeostasis in C57BL/6J mice depends on mode of ingestion: liquid or solid', Molecular Metabolism, vol. 27, pp. 22-32. [Online] DOI: https://doi.org/10.1016/j.molmet.2019.05.010
  • Alhindi, Y, Vaanholt, LM, Al-Tarrah, M, Gray, SR, Speakman, JR, Hambly, C, Alanazi, BS, Gabriel, BM, Lionikas, A & Ratkevicius, A 2019, 'Low Citrate Synthase Activity Is Associated with Glucose Intolerance and Lipotoxicity', Journal of Nutrition and Metabolism, vol. 2019, 8594825. [Online] DOI: https://doi.org/10.1155/2019/8594825
  • Berman, ESF, Swibas, T, Kohrt, WM, Catenacci, VA, Creasy, SA, Melanson, EL & Speakman, JR 2019, 'Maximizing precision and accuracy of the doubly labeled water method via optimal sampling protocol, calculation choices, and incorporation of 17O measurements', European Journal of Clinical Nutrition. [Online] DOI: https://doi.org/10.1038/s41430-019-0492-z
  • Li, B, Li, L, Li, M, Lam, SM, Wang, G, Wu, Y, Zhang, H, Niu, C, Zhang, X, Liu, X, Hambly, C, Jin, W, Shui, G & Speakman, JR 2019, 'Microbiota Depletion Impairs Thermogenesis of Brown Adipose Tissue and Browning of White Adipose Tissue', Cell Reports, vol. 26, no. 10, pp. 2720-2737. [Online] DOI: https://doi.org/10.1016/j.celrep.2019.02.015
  • Barbour, K, McClune, DW, Delahay, RJ, Speakman, JR, McGowan, NE, Kostka, B, Montgomery, IW, Marks, NJ & Scantlebury, DM 2019, 'No energetic cost of tuberculosis infection in European badgers (Meles meles)', Journal of Animal Ecology, vol. 88, no. 12, pp. 1973-1985. [Online] DOI: https://doi.org/10.1111/1365-2656.13092
  • Jin, Z, Wang, G, Hu, S & Speakman, JR 2019, 'No impact of hunger on male perception of female physical attractiveness in relation to adiposity: a randomized controlled trial', International Journal of Obesity. [Online] DOI: https://doi.org/10.1038/s41366-019-0392-2
  • James, WPT, Johnson, RJ, Speakman, JR, Wallace, DC, Frühbeck, G, Iverson, PO & Stover, PJ 2019, 'Nutrition and its role in human evolution', Journal of Internal Medicine, vol. 285, no. 5, pp. 533-549. [Online] DOI: https://doi.org/10.1111/joim.12878
  • Milajerdi, A, Djafarian, K, Shab-Bidar, S & Speakman, JR 2019, 'Pre- and post-diagnosis body mass index and heart failure mortality: a dose-response meta-analysis of observational studies reveals greater risk of being underweight than being overweight', Obesity Reviews, vol. 20, no. 2, pp. 252-261. [Online] DOI: https://doi.org/10.1111/obr.12777
  • Fernández-Verdejo, R, Ravussin, E, Speakman, JR & Galgani, JE 2019, 'Progress and challenges in analyzing rodent energy expenditure', Nature methods, vol. 16, pp. 797-799. [Online] DOI: https://doi.org/10.1038/s41592-019-0513-9
  • Król, E & Speakman, JR 2019, 'Switching off the furnace: brown adipose tissue and lactation', Molecular Aspects of Medicine, vol. 68, pp. 18-41. [Online] DOI: https://doi.org/10.1016/j.mam.2019.06.003
  • Li, L, Li, B, Li, M & Speakman, JR 2019, 'Switching on the furnace: Regulation of heat production in brown adipose tissue', Molecular Aspects of Medicine, vol. 68, pp. 60-73. [Online] DOI: https://doi.org/10.1016/j.mam.2019.07.005
  • St John Glew, K, Wanless, S, Harris, MP, Daunt, F, Erikstad, KE, Strøm, H, Speakman, JR, Kürten, B & Trueman, CN 2019, 'Sympatric Atlantic puffins and razorbills show contrasting responses to adverse marine conditions during winter foraging within the North Sea', Movement Ecology, vol. 7, 33. [Online] DOI: https://doi.org/10.1186/s40462-019-0174-4
  • Green, CL, Soltow, QA, Mitchell, SE, Derous, D, Wang, Y, Chen, L, Han, J-DJ, Promislow, DEL, Lusseau, D, Douglas, A, Jones, DP & Speakman, JR 2019, 'The Effects of Graded Levels of Calorie Restriction: XIII. Global Metabolomics Screen Reveals Graded Changes in Circulating Amino Acids, Vitamins, and Bile Acids in the Plasma of C57BL/6 Mice', The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences, vol. 74, no. 1, pp. 16-26. [Online] DOI: https://doi.org/10.1093/gerona/gly058
  • Green, CL, Mitchell, SE, Derous, D, Wang, Y, Chen, L, Han, J-DJ, Promislow, DEL, Lusseau, D, Douglas, A & Speakman, JR 2020, 'The Effects of Graded Levels of Calorie Restriction: XIV. Global Metabolomics Screen Reveals Brown Adipose Tissue Changes in Amino Acids, Catecholamines, and Antioxidants After Short-Term Restriction in C57BL/6 Mice', The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences, vol. 75, no. 2, pp. 218-229. [Online] DOI: https://doi.org/10.1093/gerona/glz023
  • Speakman, JR, Pontzer, H, Rood, J, Sagayama, H, Schoeller, DA, Westerterp, KR, Wong, WW, Yamada, Y, Loechl, C & Murphy-Alford, AJ 2019, 'The International Atomic Energy Agency International Doubly Labelled Water Database: Aims, Scope and Procedures', Annals of Nutrition & Metabolism, vol. 75, no. 2, pp. 114-118. [Online] DOI: https://doi.org/10.1159/000503668
  • Hu, S, Wang, L, Togo, J, Yang, D, Xu, Y, Wu, Y, Douglas, A & Speakman, JR 2020, 'The carbohydrate-insulin model does not explain the impact of varying dietary macronutrients on the body weight and adiposity of mice', Molecular Metabolism, vol. 32, pp. 27-43. [Online] DOI: https://doi.org/10.1016/j.molmet.2019.11.010
  • Keijer, J, Li, M & Speakman, JR 2019, 'To best mimic human thermal conditions, mice should be housed slightly below thermoneutrality', Molecular Metabolism, vol. 26, pp. 4. [Online] DOI: https://doi.org/10.1016/j.molmet.2019.05.007
  • Speakman, JR 2019, 'Use of high-fat diets to study rodent obesity as a model of human obesity', International Journal of Obesity, vol. 43, pp. 1491-1492. [Online] DOI: https://doi.org/10.1038/s41366-019-0363-7
  • Keijer, J, Li, M & Speakman, JR 2019, 'What is the best housing temperature to translate mouse experiments to humans?', Molecular Metabolism, vol. 25, pp. 168-176. [Online] DOI: https://doi.org/10.1016/j.molmet.2019.04.001
  • Chusyd, DE, Brown, JL, Hambly, C, Johnson, MS, Morfeld, K, Patki, A, Speakman, JR, Allison, DB & Nagy, TR 2018, 'Adiposity and Reproductive Cycling Status in Zoo African Elephants', Obesity, vol. 26, no. 1, pp. 103-110. [Online] DOI: https://doi.org/10.1002/oby.22046
  • Mazidi, M & Speakman, JR 2018, 'Association of Fast-Food and Full-Service Restaurant Densities With Mortality From Cardiovascular Disease and Stroke, and the Prevalence of Diabetes Mellitus', Journal of the American Heart Association, vol. 7, no. 11, 007651. [Online] DOI: https://doi.org/10.1161/JAHA.117.007651
  • Wang, G, Ekeleme-Egedigwe, CA, El Hamdouchi, A, Sauciuvenaite, J, Bissland, R, Djafarian, K, Ojiambo, R, Ramuth, H, Holasek, S, Lackner, S, Diouf, A, Hambly, C, Vaanholt, LM, Cao, M, Hacker, M, Kruger, HS, Seru, T, Faries, MD & Speakman, JR 2018, 'Beauty and the Body of the Beholder: Raters' BMI Has Only Limited Association with Ratings of Attractiveness of the Opposite Sex', Obesity, vol. 26, no. 3, pp. 522-530. [Online] DOI: https://doi.org/10.1002/oby.22092
  • Johns, DW, Marchant, TA, Fairhurst, GD, Speakman, JR & Clark, RG 2018, 'Biomarker of burden: Feather corticosterone reflects energetic expenditure and allostatic overload in captive waterfowl', Functional Ecology, vol. 32, no. 2, pp. 345-357. [Online] DOI: https://doi.org/10.1111/1365-2435.12988
  • Hu, S, Wang, L, Yang, D, Li, L, Togo, J, Wu, Y, Liu, Q, Li, B, Li, M, Wang, G, Zhang, X, Niu, C, Li, J, Xu, Y, Couper, E, Whittington-Davies, A, Mazidi, M, Luo, L, Wang, S, Douglas, A & Speakman, JR 2018, 'Dietary Fat, but Not Protein or Carbohydrate, Regulates Energy Intake and Causes Adiposity in Mice', Cell Metabolism, vol. 28, no. 3, pp. 415-431. [Online] DOI: https://doi.org/10.1016/j.cmet.2018.06.010
  • Wang, G, Cao, M, Sauciuvenaite, J, Bissland, R, Hacker, M, Hambly, C, Vaanholt, LM, Niu, C, Faries, MD & Speakman, JR 2018, 'Different impacts of resources on opposite sex ratings of physical attractiveness by males and females', Evolution and Human Behavior, vol. 39, no. 2, pp. 220-225. [Online] DOI: https://doi.org/10.1016/j.evolhumbehav.2017.12.008
  • Wilson, G, Lucas, D, Hambly, C, Speakman, JR, Morton, JP & Close, GL 2018, 'Energy expenditure in professional flat jockeys using doubly labelled water during the racing season: Implications for body weight management', European Journal of Sport Science, vol. 18, no. 2, pp. 235-242. [Online] DOI: https://doi.org/10.1080/17461391.2017.1406996
  • Speakman, JR, Loos, RJF, O'Rahilly, S, Hirschhorn, JN & Allison, DB 2018, 'GWAS for BMI: a treasure trove of fundamental insights into the genetic basis of obesity', International Journal of Obesity, vol. 42, pp. 1524-1531. [Online] DOI: https://doi.org/10.1038/s41366-018-0147-5
  • Mazidi, M & Speakman, JR 2018, 'Impact of Obesity and Ozone on the Association Between Particulate Air Pollution and Cardiovascular Disease and Stroke Mortality Among US Adults', Journal of the American Heart Association, vol. 7, no. 11, e008006. [Online] DOI: https://doi.org/10.1161/JAHA.117.008006
  • Ohrnberger, SA, Hambly, C, Speakman, JR & Valencak, TG 2018, 'Limits to sustained energy intake XXIX: the case of the golden hamster (Mesocricetus auratus)', Journal of Experimental Biology, vol. 221, no. 21, jeb183749, pp. 1-9. [Online] DOI: https://doi.org/10.1242/jeb.183749
  • Vaanholt, LM, Osei, DA, Balduci, S, Mitchell, SE, Hambly, C & Speakman, JR 2018, 'Limits to sustained energy intake XXVII: trade-offs between first and second litters in lactating mice support the ecological context hypothesis', Journal of Experimental Biology, vol. 221, no. 5, jeb170902 . [Online] DOI: https://doi.org/10.1242/jeb.170902
  • Kagya-Agyemang, JK, Vaanholt, LM, Hambly, C, Król, E, Mitchell, SE & Speakman, JR 2018, 'Limits to sustained energy intake XXVIII: Beneficial effects of high dietary fat on lactation performance in mice', Journal of Experimental Biology, vol. 221, jeb180828. [Online] DOI: https://doi.org/10.1242/jeb.180828
  • Roberts, SB, Das, SK, Suen, VMM, Pihlajamäki, J, Kuriyan, R, Steiner-Asiedu, M, Taetzsch, A, Anderson, AK, Silver, RE, Barger, K, Krauss, A, Karhunen, L, Zhang, X, Hambly, C, Schwab, U, Triffoni-Melo, ADT, Taylor, SF, Economos, C, Kurpad, AV & Speakman, JR 2018, 'Measured energy content of frequently purchased restaurant meals: multi-country cross sectional study', BMJ (Clinical research ed.), vol. 363, k4864. [Online] DOI: https://doi.org/10.1136/bmj.k4864
  • Speakman, JR 2018, 'Obesity and thermoregulation', Handbook of clinical neurology, vol. 156, pp. 431-443. [Online] DOI: https://doi.org/10.1016/B978-0-444-63912-7.00026-6
  • Qasim, A, Turcotte, M, de Souza, RJ, Samaan, MC, Champredon, D, Dushoff, J, Speakman, JR & Meyre, D 2018, 'On the origin of obesity: identifying the biological, environmental and cultural drivers of genetic risk among human populations', Obesity Reviews, vol. 19, no. 2, pp. 121-149. [Online] DOI: https://doi.org/10.1111/obr.12625
  • Nilaweera, KN & Speakman, JR 2018, 'Regulation of intestinal growth in response to variations in energy supply and demand', Obesity Reviews, vol. 19, no. Suppl 1, pp. 61-72. [Online] DOI: https://doi.org/10.1111/obr.12780
  • Speakman, JR & Mazidi, M 2018, 'Reply to VI Kraak', The American Journal of Clinical Nutrition, vol. 107, no. 2, pp. 290-291. [Online] DOI: https://doi.org/10.1093/ajcn/nqx026
  • Speakman, JR 2018, 'Response to 'Fat is not just an energy store'', Journal of Experimental Biology, vol. 221, no. 12, jeb184499. [Online] DOI: https://doi.org/10.1242/jeb.184499
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