Francois Haman

Summary

Affiliation: University of Ottawa
Country: Canada

Publications

  1. ncbi request reprint Metabolic requirements of shivering humans
    Francois Haman
    Faculty of Health Sciences, University of Ottawa and Behavioral and Metabolic Research Unit, Montfort Hospital, Ottawa, Ontario, Canada
    Front Biosci (Schol Ed) 2:1155-68. 2010
  2. doi request reprint Oxidative fuel selection and shivering thermogenesis during a 12- and 24-h cold-survival simulation
    Francois Haman
    Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
    J Appl Physiol (1985) 120:640-8. 2016
  3. doi request reprint Obesity and type 2 diabetes in Northern Canada's remote First Nations communities: the dietary dilemma
    F Haman
    Faculty of Health Sciences, School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada
    Int J Obes (Lond) 34:S24-31. 2010
  4. ncbi request reprint Fueling shivering thermogenesis during passive hypothermic recovery
    Francois Haman
    Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
    J Appl Physiol (1985) 103:1346-51. 2007
  5. ncbi request reprint Shivering in the cold: from mechanisms of fuel selection to survival
    Francois Haman
    Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
    J Appl Physiol (1985) 100:1702-8. 2006
  6. pmc Partitioning oxidative fuels during cold exposure in humans: muscle glycogen becomes dominant as shivering intensifies
    Francois Haman
    Faculty of Health Sciences, University of Ottawa, 125 University St, Ottawa, Ontario, Canada K1N 6N5
    J Physiol 566:247-56. 2005
  7. ncbi request reprint Effects of carbohydrate availability on sustained shivering I. Oxidation of plasma glucose, muscle glycogen, and proteins
    Francois Haman
    Biology Department, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
    J Appl Physiol 96:32-40. 2004
  8. pmc Fuel selection during intense shivering in humans: EMG pattern reflects carbohydrate oxidation
    Francois Haman
    Biology Department, University of Ottawa, 30 Marie Curie, Ottawa, Ontario, Canada K1N 6N5
    J Physiol 556:305-13. 2004
  9. doi request reprint Effects of two glucose ingestion rates on substrate utilization during moderate-intensity shivering
    Denis P Blondin
    Faculty of Health Sciences, School of Human Kinetics, University of Ottawa, 125 University St, Ottawa, ON, K1N 6N5, Canada
    Eur J Appl Physiol 108:289-300. 2010
  10. ncbi request reprint Warming by immersion or exercise affects initial cooling rate during subsequent cold water immersion
    Chris G Scott
    Faculty of Health Sciences, School of Human Kinetics, University of Ottawa, Ontario, Canada
    Aviat Space Environ Med 75:956-63. 2004

Collaborators

Detail Information

Publications26

  1. ncbi request reprint Metabolic requirements of shivering humans
    Francois Haman
    Faculty of Health Sciences, University of Ottawa and Behavioral and Metabolic Research Unit, Montfort Hospital, Ottawa, Ontario, Canada
    Front Biosci (Schol Ed) 2:1155-68. 2010
    ..Combining fundamental principles surrounding metabolic fuel selection with applied knowledge of human performance in the cold may allow important breakthroughs in this field of research...
  2. doi request reprint Oxidative fuel selection and shivering thermogenesis during a 12- and 24-h cold-survival simulation
    Francois Haman
    Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
    J Appl Physiol (1985) 120:640-8. 2016
    ..Further research is needed to determine whether this would also be the case under different nutritional and/or colder conditions. ..
  3. doi request reprint Obesity and type 2 diabetes in Northern Canada's remote First Nations communities: the dietary dilemma
    F Haman
    Faculty of Health Sciences, School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada
    Int J Obes (Lond) 34:S24-31. 2010
    ..It also highlights some of the complexities of establishing exact physiological causes and providing effective solutions...
  4. ncbi request reprint Fueling shivering thermogenesis during passive hypothermic recovery
    Francois Haman
    Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
    J Appl Physiol (1985) 103:1346-51. 2007
    ..Further research should focus on establishing the exact regulatory processes involved in achieving this large upregulation of CHO utilization rate following hypothermia...
  5. ncbi request reprint Shivering in the cold: from mechanisms of fuel selection to survival
    Francois Haman
    Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
    J Appl Physiol (1985) 100:1702-8. 2006
    ..By combining fundamental research on fuel metabolism and applied strategies to improve shivering endurance, future research in this area promises to yield important new information on what limits human survival in the cold...
  6. pmc Partitioning oxidative fuels during cold exposure in humans: muscle glycogen becomes dominant as shivering intensifies
    Francois Haman
    Faculty of Health Sciences, University of Ottawa, 125 University St, Ottawa, Ontario, Canada K1N 6N5
    J Physiol 566:247-56. 2005
    ....
  7. ncbi request reprint Effects of carbohydrate availability on sustained shivering I. Oxidation of plasma glucose, muscle glycogen, and proteins
    Francois Haman
    Biology Department, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
    J Appl Physiol 96:32-40. 2004
    ..We conclude that humans can show remarkable flexibility in oxidative fuel selection to ensure that heat production is not compromised during sustained cold exposure...
  8. pmc Fuel selection during intense shivering in humans: EMG pattern reflects carbohydrate oxidation
    Francois Haman
    Biology Department, University of Ottawa, 30 Marie Curie, Ottawa, Ontario, Canada K1N 6N5
    J Physiol 556:305-13. 2004
    ..Future work should focus on the study of shivering bursts that may provide essential clues on what limits human survival in the cold...
  9. doi request reprint Effects of two glucose ingestion rates on substrate utilization during moderate-intensity shivering
    Denis P Blondin
    Faculty of Health Sciences, School of Human Kinetics, University of Ottawa, 125 University St, Ottawa, ON, K1N 6N5, Canada
    Eur J Appl Physiol 108:289-300. 2010
    ..In conclusion, glucose ingestion even at low rates contributes a significant proportion of total heat production during moderate intensity shivering and reduces the utilization of liver-derived glucose but not muscle glycogen...
  10. ncbi request reprint Warming by immersion or exercise affects initial cooling rate during subsequent cold water immersion
    Chris G Scott
    Faculty of Health Sciences, School of Human Kinetics, University of Ottawa, Ontario, Canada
    Aviat Space Environ Med 75:956-63. 2004
    ..We examined the effect of prior heating, by exercise and warm-water immersion, on core cooling rates in individuals rendered mildly hypothermic by immersion in cold water...
  11. pmc Effects of ingesting [13C]glucose early or late into cold exposure on substrate utilization
    Denis P Blondin
    Institut de Recherche de l Hôpital Montfort, Faculty of Health Sciences, University of Ottawa, 125 Univ St, Ottawa, Ontario, Canada K1N 6N5
    J Appl Physiol (1985) 109:654-62. 2010
    ..This substrate not only provides an auxiliary fuel source for shivering thermogenesis, but, more importantly, preserves the limited endogenous glucose reserves...
  12. ncbi request reprint Effects of carbohydrate availability on sustained shivering II. Relating muscle recruitment to fuel selection
    Francois Haman
    Biology Dept, Univ of Ottawa, 30 Marie Curie, Ottawa, Ontario, Canada K1N 6N5
    J Appl Physiol (1985) 96:41-9. 2004
    ..During low-intensity shivering, humans are therefore able to sustain the same thermogenic rate by oxidizing widely different fuel mixtures within the same muscle fibers...
  13. ncbi request reprint Energetics of a long-distance migrant shorebird (Philomachus pugnax) during cold exposure and running
    Eric Vaillancourt
    Biology Department, University of Ottawa, Ottawa, Ontario, Canada
    J Exp Biol 208:317-25. 2005
    ..The exact mechanisms allowing birds to use lipids at extremely high rates are still largely unexplored, and quantifying the relative importance of different fuels during long-distance flight remains a major challenge for future research...
  14. doi request reprint Coingesting glucose and fructose in the cold potentiates exogenous CHO oxidation
    Denis P Blondin
    Nutrition and Metabolism Research Unit, Montfort Hospital, Ottawa, Ontario, Canada
    Med Sci Sports Exerc 44:1706-14. 2012
    ....
  15. doi request reprint Effects of the menstrual cycle on muscle recruitment and oxidative fuel selection during cold exposure
    Denis P Blondin
    Faculty of Health Sciences, University of Ottawa, and Unité de Recherche sur la Nutrition et le Métabolisme, Institut de Recherche de l Hôpital Montfort, Hôpital Montfort, Ottawa, Ontario, Canada
    J Appl Physiol (1985) 111:1014-20. 2011
    ..Whether the large contribution of lipids to total heat production in fuel selection confers a survival advantage remains to be established...
  16. pmc Dysregulation of cytokine response in Canadian First Nations communities: is there an association with persistent organic pollutant levels?
    Pascal Imbeault
    Behavioral and Metabolic Research Unit, School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
    PLoS ONE 7:e39931. 2012
    ....
  17. pmc Elevated contaminants contrasted with potential benefits of ω-3 fatty acids in wild food consumers of two remote first nations communities in northern Ontario, Canada
    Timothy A Seabert
    Department of Biology, University of Ottawa, Ontario, Canada
    PLoS ONE 9:e90351. 2014
    ..These results show that the benefits of traditional dietary choices in Boreal regions of Canada must be weighed against the inherent risks of contaminant exposure from these foods...
  18. pmc Fuel selection in Wistar rats exposed to cold: shivering thermogenesis diverts fatty acids from re-esterification to oxidation
    Eric Vaillancourt
    University of Ottawa, Department of Biology, 30 Marie Curie, PO Box 450, Station A, Ottawa, Ontario, Canada K1N 6N5
    J Physiol 587:4349-59. 2009
    ..Reallocation of fatty acids from re-esterification to oxidation is a novel, alternative strategy used by the rat to support shivering...
  19. pmc Increased brown adipose tissue oxidative capacity in cold-acclimated humans
    Denis P Blondin
    Faculty of Health Sciences D P B, H C T, F H, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5 Centre de Recherche de l Institut Universitaire de Cardiologie et de Pneumologie de Québec S M L, D R, Universite Laval, Quebec City, Quebec, Canada G1V 4G5 Department of Medicine C N, M K, S P, A C C, Centre de Recherche Clinique Etienne Le Bel, Universite de Sherbrooke, Sherbrooke, Quebec, Canada and Department of Nuclear Medicine and Radiobiology S P, B G, E E T, Universite de Sherbrooke, Sherbrooke, Quebec, Canada J1H 5N4
    J Clin Endocrinol Metab 99:E438-46. 2014
    ..Although many mammalian models have demonstrated the phenotypic flexibility of this tissue through chronic cold exposure, little is known about the metabolic plasticity of BAT in humans...
  20. doi request reprint Increased proliferative effect of organochlorine compounds on human preadipocytes
    Natalie A Chapados
    Montfort Hospital Research Institute, Nutrition and Metabolism Research Unit, Montfort Hospital, 713 Montreal Road, Pavilion E, 1st Floor, room 2E132, Ottawa, ON K1K 0T2, Canada
    Mol Cell Biochem 365:275-8. 2012
    ..These findings suggest that exposure to some OCs and concentrations increase the proliferative capacity of human preadipocytes...
  21. doi request reprint Maintaining thermogenesis in cold exposed humans: relying on multiple metabolic pathways
    Denis P Blondin
    Department of Medicine, Universite de Sherbrooke, Sherbrooke, Quebec, Canada Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
    Compr Physiol 4:1383-402. 2014
    ..Identifying ways to potentiate the effects of BAT via cold acclimation and/or the ingestion of compounds that stimulate the thermogenic process may have important implications in cold endurance and survival...
  22. doi request reprint Cold exposure increases adiponectin levels in men
    Pascal Imbeault
    Behavioural and Metabolic Research Unit Montfort Hospital, School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ontario, Canada K1N 6N5
    Metabolism 58:552-9. 2009
    ..The rise in adiponectin levels observed during shivering is inhibited with glucose ingestion but not after diets varying in CHO content...
  23. doi request reprint The relationship of the burbot (Lota lota L.) to the reintroduction of off-the-land foods in the Sandy Lake First Nation Community
    Michael A Robidoux
    School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada
    Biodemography Soc Biol 55:12-29. 2009
    ....
  24. pmc Obesity and type 2 diabetes prevalence in adults from two remote first nations communities in northwestern ontario, Canada
    Pascal Imbeault
    Behavioral and Metabolic Research Unit, School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, 125, University Street room 350, Ottawa, ON, Canada K1N 6N5
    J Obes 2011:267509. 2011
    ..Using objective measurements, this study confirms that First Nations adults from remote communities of Canada continue to experience a disproportionately higher prevalence of obesity and type 2 diabetes than nonaboriginal Canadians...
  25. doi request reprint Heat exposure increases circulating fatty acids but not lipid oxidation at rest and during exercise
    Katharine O'Hearn
    School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
    J Therm Biol 55:39-46. 2016
    ....