Jonathan Johnston

Dr Jonathan Johnston


Reader in Chronobiology and Integrative Physiology
PhD FHEA FRSB

Biography

Areas of specialism

Biological rhythms; Physiology; Endocrinology

University roles and responsibilities

  • Postgraduate Research Director, School of Biosciences and Medicine (2016-current)
  • Member, School Athena SWAN Self-Assessment Group (2016-current)
  • Member, Faculty Research Degrees Committee (2016-current)

    Previous roles

    2015 - 2016
    Deputy Chair, University Ethics Committee
    University of Surrey
    2014 - 2016
    Non-Professorial Member, University Senate
    University of Surrey
    2012 - 2013
    Member, University Athena SWAN Self-Assessment Group
    University of Surrey
    2011 - 2013
    Committee Member, Professional Training and Careers Committee (PTCC)
    University of Surrey
    2011 - 2013
    Committee Member, PTCC Strategic Advisory Group
    University of Surrey
    2011 - 2014
    Module Organiser, BMS 2038 Physiology 2
    University of Surrey
    2009 - 2013
    Senior Tutor, Professional Training Year
    University of Surrey
    2009 - 2016
    Committee Member, University Ethics Committee
    University of Surrey
    2009 - 2015
    Convenor, Level 5 staff-student forum
    University of Surrey
    2008 - 2010
    Committee Member, FHMS Ethics Committee
    University of Surrey
    2008 - 2011
    Module Organiser, BMS 1022 Practical Biochemistry and Physiology
    University of Surrey
    2007 - 2009
    Admissions Tutor, MSc Clinical Biochemistry (Full Time students)
    University of Surrey
    2006 - 2011
    Module Organiser, BMS 1009 Practical Microbiology and Physiology
    University of Surrey

    News

    In the media

    2019
    Podcast
    Interview on chrononutrition
    The Healthy Shift Worker Podcast
    2019
    Podcast
    Interview on chrononutrition
    Opex
    2018
    Video interview
    Interview on meal timing
    BBC online and World Service Language
    2017
    Radio interview
    Interview on meal timing
    BBC Radio Surrey
    2017
    Radio interview
    Interview on meal timing
    Talk Radio Europe
    2017
    Radio/podcast interview
    Interview on meal timing
    The Naked Scientists
    2017
    Podcast: 'The Best Thing Since Sliced Bread' with Greg Foot
    Interview on biological rhythms and light
    2016
    Television: Trust Me I'm A Doctor, Series 4 episode 2
    Multiple short pieces about meal timing, and "The Big Experiment"
    BBC2
    2016
    Podcast: Food For Fitness
    Interview on biological rhythms, metabolism and nutrition
    2016
    BBC iWonder web page: "When should I eat my main meal?"
    Contributor
    BBC iWonder website
    2015
    Television: Food Unwrapped, Series 5 episode 8  
    Piece on claimed benefits of melatonin in milk collected at night
    Channel 4

    Research

    Research interests

    Research projects

    Indicators of esteem

    • Elected to the Board of the European Biological Rhythms Society (2019-current)

    • Editorial Board member, Journal of Pineal Research (2019-current)

    • Trustee, British Society for Neuroendocrinology (2016-current)

    • Programme Organising Committee member, International Congress of Neuroendocrinology (2014)

    • Member, Diabetes-UK Innovators in Diabetes programme (2011-2014)

    • Core Member, BBSRC Panel A (2011-2016)

    • Pool Member, BBSRC grant review panels (2010-2011)

    • Meetings Secretary, British Society for Neuroendocrinology (2010-2011)

    • Programme Organising Committee member, Society for Endocrinology (2009-2010)

    • Science Committee member, Society for Endocrinology (2007-2010)

    • Steering Committee member, British Society for Neuroendocrinology (2006-current)

    • Editorial Board member, Journal of Neuroendocrinology (2006-current)

    • Co-organiser and chair of the UK Clock Club meeting, hosted at the University of Surrey (Spring 2006; with Dr M von Schantz)

    • Peer review of grants and manuscripts for multiple international and national scientific bodies

    Supervision

    Postgraduate research supervision

    Completed postgraduate research projects I have supervised

    My teaching

    Courses I teach on

    Undergraduate

    Postgraduate taught

    My publications

    Highlights

    Transcriptomic analyses reveal rhythmic and CLOCK-driven pathways in human skeletal muscle

    Perrin et al, 2018. Elife; 7: e34114

    Lipidomics reveals diurnal lipid oscillations in human skeletal muscle persisting in cellular myotubes cultured in vitro

    Loizides-Mangold et al, Proceedings of the National Academy of Sciences USA 2017: 114: E8565-E8574

     

    Meal Timing Regulates the Human Circadian System

    Wehrens et al, Current Biology 2017; 19: 1768-1775

     

    Twenty-four-hour rhythmicity of circulating metabolites: effect of body mass and type 2 diabetes

    Isherwood et al, FASEB Journal 2017; 31: 5557-5567

     

    Assessment of circadian rhythms in humans: comparison of real-time fibroblast reporter imaging with plasma melatonin

    Hasan et al, FASEB Journal 2012; 26: 2414-2423

     

    Rhythmic Diurnal Gene Expression in Human Adipose Tissue From Individuals Who Are Lean, Overweight, and Have Type 2 Diabetes

    Otway et al, Diabetes 2011; 60: 1577-1581

     

    Egr1 involvement in evening gene regulation by melatonin

    Fustin et al, FASEB Journal 2009; 23: 764–773

     

    Photoperiod differentially regulates rhythms of gene expression in the rostral and caudal suprachiasmatic nuclei

    Hazlerigg et al, Current Biology 2005; 15: R449-R450

     

    Molecular characterisation of the long day response in the Soay sheep, a seasonal mammal

    Hazlerigg et al, Current Biology 2004; 14: 334-339

     

    Photoperiod differentially regulates circadian oscillators in central and peripheral tissues of the Syrian hamster

    Carr, Johnston et al, Current Biology 2003; 13: 1543-1548

     

    Evidence for an endogenous per1- and ICER-independent seasonal timer in the hamster pituitary gland

    Johnston et al, FASEB Journal 2003; 17: 810-815

     

    Gonadotrophin-releasing hormone drives melatonin receptor down-regulation in the developing pituitary gland

    Johnston et al, Proceedings of the National Academy of Sciences USA 2003; 100: 2831-2835

     

    Publications

    Full Papers

    NB When not freely available via journal websites (see 'OPEN ACCESS' labels), full text may be available via Surrey Research Insight.

    52. van der Veen DR, Laing EE, Bae SE, Johnston JD, Dijk DJ, Archer SN. A topological cluster of differentially regulated genes in mice lacking PER3. (OPEN ACCESS) Frontiers in Molecular Neuroscience 2020; 13: 15.

    51. Christou S, Wehrens SMT, Isherwood C, Moller-Levet C, Wu H, Revell VL, Bucca G, Skene DJ, Laing EL, Archer SN, Johnston JD. Circadian regulation in human white adipose tissue revealed by transcriptome and metabolic network analysis. (OPEN ACCESS) Scientific Reports 2019; 9: 2641.

    50. Almoosawi S, Vingeliene S, Gachon F, Voortman T, Palla L, Johnston JD, Van Dam RM, Darimont C, Karagounis LG. Chronotype: Implications for epidemiological studies on chrono-nutrition and cardiometabolic health. (OPEN ACCESS) Advances in Nutrition 2019; 10: 30-42.

    49. Antoni R, Robertson TM, Robertson MD, Johnston JD. A pilot feasibility study exploring the effects of a moderate time-restricted feeding intervention on energy intake, adiposity and metabolic physiology in free-living humans. (OPEN ACCESS) Journal of Nutritional Science 2018; 7: e22.

    48. Ruddick-Collins LC, Johnston JD, Morgan PJ, Johnstone AM. The Big Breakfast Study: Chrono-nutrition influence on energy expenditure and bodyweight. (OPEN ACCESS) Nutrition Bulletin 2018; 43:174-183.

    47. Perrin L, Loizides-Mangold U, Chanon S, Gobet C, Hulo N, Isenegger L, Weger BD, Migliavacca E, Charpagne A, Betts JA, Walhin JP, Templeman I, Stokes K, Thompson D, Tsintzas K, Robert M, Howald C, Riezman H, Feige JN, Karagounis LG, Johnston JD, Dermitzakis ET, Gachon F, Lefai E, Dibner C. Transcriptomic analyses reveal rhythmic and CLOCK-driven pathways in human skeletal muscle. (OPEN ACCESS) Elife 2018; 7: e34114

    46. Isherwood CM, van der Veen DR, Johnston JD, Skene DJ. Twenty-four-hour rhythmicity of circulating metabolites: effect of body mass and type 2 diabetes. (OPEN ACCESS) FASEB Journal 2017; 31: 5557-5567.

    45. Loizides-Mangold U, Perrin L, Vandereycken B, Betts JA, Walhin JP, Templeman I, Chanon S, Weger BD, Durand C, Robert M, Montoya JP, Moniatte M, Karagounis LG, Johnston JD, Gachon F, Lefai E, Riezman H, Dibner C. Lipidomics reveals diurnal lipid oscillations in human skeletal muscle persisting in cellular myotubes cultured in vitro. (OPEN ACCESS) Proceedings of the National Academy of Sciences USA 2017; 114: E8565-E8574.

    44. Wehrens SMT, Christou S, Isherwood C, Middleton B, Gibbs MA, Archer SN, Skene DJ, Johnston JD. Meal Timing Regulates the Human Circadian System. (OPEN ACCESS) Current Biology 2017; 19: 1768-1775.

    43. Johnston JD. Circadian Biology: Interaction with Metabolism and Nutrition. In Nutrition, Epigenetics and Health (Burge G ed; World Scientific) 2017

    42. Johnston JD, Ordovás JM, Scheer FA, Turek FW. Circadian Rhythms, Metabolism, and Chrononutrition in Rodents and Humans. (OPEN ACCESS) Advances in Nutrition 2016; 7: 399-406.

    41. Johnston JD, Skene DJ. Regulation of mammalian neuroendocrine physiology and rhythms by melatonin. (OPEN ACCESS) Journal of Endocrinology 2015; 226: T187-198.

    40. *Laing EE, *Johnston JD, Möller-Levet CS, Bucca G, Smith CP, Dijk DJ, Archer SN. Exploiting human and mouse transcriptomic data: identification of circadian genes and pathways influencing health. (OPEN ACCESS) Bioessays 2015; 37: 544-556.*Joint 1st authors

    39. Gee RH, Spinks JN, Malia JM, Johnston JD, Plant NJ, Plant KE. Inhibition of prenyltransferase activity by statins in both liver and muscle cell lines is not causative of cytotoxicity.Toxicology 2015; 329: 40-48.

    38. Johnston JD. Physiological links between circadian rhythms, metabolism and nutrition.(OPEN ACCESS) Experimental Physiology 2014; 99: 1133-1137.

    37. Hampton SM, Johnston JD. Probing the diurnal regulation of glycemic control. (OPEN ACCESS) Journal of Diabetes and its Complications 2014; 28: 751-752.

    36. Frost G, Cai Z, Raven M, Otway DT, Mushtaq R, Johnston JD. Effect of short chain fatty acids on the expression of free fatty acid receptor 2 (Ffar2), Ffar3 and early-stage adipogenesis. (OPEN ACCESS) Nutrition and Diabetes 2014; 4: e128.

    35. Johnston JD. Physiological responses to food intake throughout the day. (OPEN ACCESS) Nutrition Research Reviews 2014; 27: 107-118.

    34. Bae SE, Wright IK, Wyse C, Samson-Desvignes N, Le Blanc P, Laroche S, Hazlerigg DG, Johnston JD. Regulation of pituitary MT1 melatonin receptor expression by gonadotrophin-releasing hormone (GnRH) and early growth response factor-1 (Egr-1): in vivo and in vitro studies. (OPEN ACCESS) PLoS One. 2014; 9: e90056.

    33. Lazar AS, Santhi N, Hasan S, Lo J, Johnston JD, von Schantz M, Archer SN, Dijk DJ. Circadian period and the melatonin rhythm in men and women: predictors of sleep during the weekend and in the laboratory. (OPEN ACCESS) Journal of Sleep Research 2013; 22: 155-159.

    32. Ang JE, Revell V, Mann A, Mäntele S, Otway DT, Johnston JD, Thumser AE, Skene DJ, Raynaud F. Identification of human plasma metabolites exhibiting time-of-day variation using an untargeted liquid chromatography-mass spectrometry metabolomics approach. (OPEN ACCESS) Chronobiology International 2012; 29: 868-881.

    31. Hasan S, Santhi N, Lazar AS, Slak A, Lo J, von Schantz M, Archer SN, Johnston JD, Dijk DJ. Assessment of circadian rhythms in humans: comparison of real-time fibroblast reporter imaging with plasma melatonin. (OPEN ACCESS) FASEB Journal 2012; 26: 2414-2423.

    30. Mäntele S, Otway DT, Middleton B, Bretschneider S, Wright J, Robertson MD, Skene DJ, Johnston JD. Daily rhythms of plasma melatonin, but not plasma leptin or leptin mRNA, vary between lean, obese and type 2 diabetic men. (OPEN ACCESS) PLoS One 2012; 7: e37123.

    29. Johnston JD. Adipose circadian rhythms: translating cellular and animal studies to human physiology. Molecular and Cellular Endocrinology 2012; 349: 45-50.

    28. Otway DT, Mäntele S, Bretschneider S, Wright J, Trayhurn P, Skene DJ, Robertson MD, Johnston JD. Rhythmic Diurnal Gene Expression in Human Adipose Tissue From Individuals Who Are Lean, Overweight, and Have Type 2 Diabetes. (OPEN ACCESS)Diabetes 2011; 60: 1577-1581.

    27. Archer SN, Carpen JD, Gibson M, Lim GH, Johnston JD, Skene DJ, von Schantz M. Polymorphism in the PER3 promoter associates with diurnal preference and delayed sleep phase disorder. (OPEN ACCESS) Sleep 2010; 33: 695-701.

    26. Johnston JD, Frost G, Otway DT. Adipose tissue, adipocytes and the circadian timing system.Obesity Reviews 2009; 10 (Suppl 2): 52-60

    25. Otway DT, Frost G, Johnston JD. Circadian rhythmicity in murine pre-adipocyte and adipocyte cells.Chronobiology International 2009; 26: 1340-1354.

    24. Fustin JM, Dardente H, Wagner GC, Carter DA, Johnston JD, Lincoln GA, Hazlerigg DG. Egr1 involvement in evening gene regulation by melatonin. (OPEN ACCESS) FASEB Journal 2009; 23: 764-773

    23. Wagner G, Johnston JD, Clarke IJ, Lincoln GA, Hazlerigg DG. Redefining the limits of day length responsiveness in a seasonal mammal. (OPEN ACCESS) Endocrinology 2008; 149: 32-39.

    22. Johnston JD, Schuster C, Barrett P, Hazlerigg DG. Regulation of the Ovine MT1 Melatonin Receptor Promoter: Interaction between Multiple Pituitary Transcription Factors at Different Phases of Development.Molecular and Cellular Endocrinology 2007; 268: 59-66.

    21. Wagner G, Johnston JD, Tournier BB, Ebling FJP, Hazlerigg DG. Melatonin induces gene-specific effects on rhythmic mRNA expression in the pars tuberalis of the Siberian hamster (Phodopus sungorus). European Journal of Neuroscience 2007; 25: 485-490.

    20. Johnston JD, Hazlerigg DG, Wagner G. Melatonin receptors in neuroendocrine developmentIn Melatonin: from Molecules to Therapy (Cardinali DP, Pandi-Perumal SR eds; Nova Science Publishers Inc, NY) 2007

    19. Hazlerigg DG, Johnston JD, Fustin J-M. The molecular basis to the circadian effects of melatonin.In Melatonin: from Molecules to Therapy (Cardinali DP, Pandi-Perumal SR eds; Nova Science Publishers Inc, NY) 2007

    18. *Johnston JD, *Tournier BB, Andersson H, Masson-Pévet M, Lincoln GA, Hazlerigg DG. Multiple effects of melatonin on rhythmic clock gene expression in the mammalian pars tuberalis. (OPEN ACCESS) Endocrinology 2006; 147: 959-965.*Joint 1st authors

    17. Johnston JD, Klosen P, Barrett P, Hazlerigg DG. Regulation of MT1 melatonin receptor expression in the foetal rat pituitary. Journal of Neuroendocrinology 2006; 18: 50-56.

    16. Lincoln GA, Johnston JD, Andersson H, Wagner G, Hazlerigg DG. Photorefractoriness in mammals: dissociating a seasonal timer from the circadian-based photoperiod response. (OPEN ACCESS) Endocrinology 2005; 146: 3782-3790.

    15. Johnston JD. Measuring seasonal time within the circadian system: regulation of the suprachiasmatic nuclei by photoperiod. Journal of Neuroendocrinology 2005; 17: 459-465.

    14. Andersson H, Johnston JD, Messager S, Hazlerigg DG, Lincoln GA. Photoperiod regulates circadian rhythms of clock gene expression in the ovine liver. General and Comparative Endocrinology 2005; 142: 357-363.

    13. Johnston JD, Ebling FJP, Hazlerigg DG. Photoperiod regulates multiple gene expression in the suprachiasmatic nuclei and pars tuberalis of the Siberian hamster (Phodopus sungorus). European Journal of Neuroscience 2005; 21: 2967-2974.

    12. Hazlerigg DG, Ebling FJP, Johnston JD. Photoperiod differentially regulates rhythms of gene expression in the rostral and caudal suprachiasmatic nuclei. (OPEN ACCESS) Current Biology 2005; 15: R449-R450.

    11. Johnston JD, Bashforth R, Diack A, Andersson H, Lincoln GA, Hazlerigg DG. Rhythmic melatonin secretion does not correlate with the expression of arylalkylamine N-acetyltransferase, inducible cyclic adenosine monophosphate early repressor, period1 or cryptochrome1 mRNA in the sheep pineal. Neuroscience 2004; 124: 789-795.

    10. Johnston JD. Photoperiodic regulation of prolactin secretion: changes in intra-pituitary signalling and lactotroph heterogeneity. (OPEN ACCESS) Journal of Endocrinology 2004; 180: 351-356.

    9. Hazlerigg DG, Andersson H, Johnston JD, Lincoln GA. Molecular characterisation of the long day response in the Soay sheep, a seasonal mammal. (OPEN ACCESS) Current Biology 2004; 14: 334-339.

    8. Johnston JD, Stirland JA, White MRH, Davis, JRE, Loudon ASI. Heterogeneous regulation of individual lactotroph cells by photoperiod in the Syrian hamster (Mesocricetus auratus). General and Comparative Endocrinology 2003; 134: 182-186.

    7. *Carr A-JF, *Johnston JD, Semikhodskii AG, Nolan T, Cagampang FRA, Stirland JA, Loudon ASI. Photoperiod differentially regulates circadian oscillators in central and peripheral tissues of the Syrian hamster. (OPEN ACCESS) Current Biology 2003; 13: 1543-1548.*Joint first authors

    6. Johnston JD, Cagampang FRA, Stirland JA, Carr A-JF, White MRH, Davis JRE, Loudon ASI. Evidence for an endogenous per1- and ICER-independent seasonal timer in the hamster pituitary gland. (OPEN ACCESS) FASEB Journal 2003; 17: 810-815.

    5. Johnston JD, Messager S, Barrett P, Hazlerigg DG. Melatonin action in the pituitary: neuroendocrine synchroniser & developmental modulator? Journal of Neuroendocrinology 2003; 15: 405-408.

    4. Johnston JD, Messager S, Ebling FJP, Williams LM, Barrett P, Hazlerigg DG. Gonadotrophin-releasing hormone drives melatonin receptor down-regulation in the developing pituitary gland. (OPEN ACCESS) Proceedings of the National Academy of Sciences USA 2003; 100: 2831-2835.

    3. *Stirland JA, *Johnston JD, Cagampang FRA, Morgan PJ, Castro MG, White MRH, Davis JRE, Loudon ASI. Photoperiodic regulation of prolactin gene expression in the Syrian hamster by a pars tuberalis-derived factor. Journal of Neuroendocrinology 2001; 13: 147-157.*Joint first authors

    2. Johnston JD, Price SA, Bristow DR. Flunitrazepam rapidly reduces GABAA receptor subunit protein expression via a protein kinase C-dependent mechanism. British Journal of Pharmacology 1998; 124: 1338-1340.

    1. Johnston JD, Bristow DR. Regulation of GABAA receptor a1 subunit protein is a sensitive indicator of benzodiazepine agonist efficacy. European Journal of Pharmacology 1998; 248: 321-324.

     

    External Oral Conference Presentations

    International and national research lectures (Invited lectures unless otherwise stated)

     

    • Circadian metabolism in humans and its regulation by meal timing. 13th European Nutrition Conference, Dublin, Ireland, October 2019

    • Circadian metabolism and meal timing in humans. Center of Brain, Behaviour and Metabolism, Luebeck, Germany, September 2019

    • Circadian metabolism and meal timing in humans. European Biological Rhythms Society meeting, Lyon, France, August 2019

    • You are when you eat: how meal timing regulates circadian rhythms and metabolism. Belgian Nutrition Society meeting, Brussels, Belgium, May 2019

    • Human peripheral rhythms and their regulation by meal timing. Physiological Society meeting on 'Chrononutrition: from epidemiology to molecular mechanism', London, UK, November 2018

    • Circadian clocks and metabolism: Integration of dietary and circadian control. Royal Society of Medicine meeting on 'Chrono-nutrition: Circadian clocks, mealtimes and metabolic disorders', London, UK, November 2018

    • Clocks, melatonin and diabetes. World Sleep meeting, Prague, Czech Republic, October 2017

    • Chronobiology, metabolism and nutrients in humans. British Society for Neuroendocrinology meeting, University of Nottingham, UK, September 2017

    • Circadian rhythms of human metabolism: influence of obesity and meal timing. Neuroscience of Obesity meeting, Aberdeen, UK, August 2017

    • Chrononutrition: the interplay between food and the body clock system. Nutritionists in Industry meeting, Unilever, Leatherhead, UK, September 2016

    • Human circadian rhythms, metabolism and chrononutrition. NEUREX meeting, Strasbourg, France, June 2016

    • Circadian Rhythms in Adipose Tissue. International Congress on Obesity meeting, Vancouver, Canada, May 2016

    • Impact of food on circadian rhythms. Nutrition Society winter meeting, London, UK, December 2015

    • What endocrinologists should know about the body clock and sleep. Society for Endocrinology/British Endocrine Societies meeting, Edinburgh, UK, November 2015

    • Meal timing regulates the human circadian system. European Biological Rhythms Society meeting, Manchester, UK, August 2015

    • Control of melatonin receptor expression in the pituitary. FASEB Summer Research Conference, Lisbon, Portugal, July 2015

    • Timed feeding, neuroendocrinology and the human circadian system. British Neuroscience Association meeting, Edinburgh, UK, April 2015

    • Eat breakfast like a king? Meal timing as a regulator of body clocks. Experimental Biology meeting, Boston, USA, March-April 2015

    • Physiological links between circadian rhythms, metabolism and nutrition. Obesity - A Physiological Perspective, Physiological Society Topic Meeting, Newcastle, UK, September 2014

    • Rhythmic diurnal gene expression in human adipose tissue from individuals who are lean, overweight and type 2 diabetic. American Diabetes Association meeting, Chicago, USA, June 2013

    • How does breakfast help manage body weight? The physiological reasons. Nutrition Society summer meeting, Queen's University Belfast, N Ireland, 2012

    • Molecular and Endocrine Rhythms in Men with Type two Diabetes. 13th Meeting of the Society for Research on Biological Rhythms, Sandestin Golf & Beach Resort, Florida, USA, May 2012

    • Daily rhythms in lean overweight and type 2 diabetic human subjects. British Society for Neuroendocrinology Meeting, University of Cambridge, UK, August 2011

    • Daily rhythms in lean overweight and type 2 diabetic human subjects. 41st Annual Meeting of the International Society for Psychoneuroendocrinology, Berlin, Germany, August 2011

    • Daily rhythms in lean overweight and type 2 diabetic human subjects. 13th European Congress of Endocrinology, Rotterdam, The Netherlands, May 2011

    • Daily rhythms in human subcutaneous white adipose tissue: comparison of lean, overweight and type 2 diabetic subjects. 12th Meeting of the Society for Research on Biological Rhythms, Sandestin Golf & Beach Resort, Florida, USA, May 2010. (Abstract chosen for oral presentation)

    • Daily rhythms in human white adipose tissue. UK Adipose Tissue Discussion Group meeting, Astra Zeneca, Alderley Edge, UK, December 2009. (Invited 'hot topic' lecture)

    • Adipocyte rhythmicity in vitro. Pennington Biomedical Research Center Symposium on Circadian Biology and Sleep: Missing Links in Obesity and Metabolism, Baton Rouge, Louisiana, USA, April 2009

    • The pars tuberalis: providing novel insights into the molecular mechanisms of melatonin signalling. FASEB Summer Research Conference Melatonin Receptors: Actions and Therapeutics, Snowmass Village, Colorado, USA, August 2008

    • Developmental plasticity of melatonin receptor expression. Gordon Research Conference in Pineal Cell Biology, Il Ciocco, Barga, Italy, April 2008

    • Defining transient melatonin receptor expression in the developing gonadotroph. European Society of Veterinary Clinical Pathology meeting, University of Cambridge, UK, September 2006

    • Melatonin differentially regulates expression of multiple circadian clock genes in the pituitary pars tuberalis. British Society for Neuroendocrinology and Société de Neuroendocrinologie joint meeting, University of Oxford, UK, September 2005. (Prize lecture)

    • Photoperiodic regulation of gene expression in the suprachiasmatic nuclei and pars tuberalis of seasonal mammals. Gordon Research Conference in Pineal Cell Biology, Oxford, UK, August 2004

    • Molecular regulation of MT1 melatonin receptor expression in the foetal pituitary gland. British Society for Neuroendocrinology Meeting, University of Manchester, UK, September 2003. (Abstract chosen for oral presentation)

    • Regulation of MT1 melatonin receptor expression in the foetal pituitary gland. UK Clock Club Meeting, University of Leicester, UK, April 2003

    • Developmental regulation of the mt1 melatonin receptor in the rat pituitary. 8th Meeting of the Society for Research on Biological Rhythms, Amelia Island Plantation, Florida, USA, May 2002. (Abstract chosen for oral presentation).