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Sex on brain. Sex on Brain European Research Group Lecture about sex differences of brain from a human perspective Ira RonitHeboldHaraldsen , GID section, Department of Neuro -psychiatry, Centre of Clinical Neuroscience, University of Oslo, National Hospital – Rikshospitalet – Oslo, Norway.
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Sex on brain Sex on Brain European Research Group Lecture about sex differences of brain from a human perspective Ira RonitHeboldHaraldsen, GID section, Department of Neuro-psychiatry, Centre of Clinical Neuroscience, University of Oslo, National Hospital – Rikshospitalet – Oslo, Norway
SOBER GroupSex on Brain European Research Group Effects of Gonadotropin Releasing Hormone Receptor blockage on brain development and behaviour in humans and animals
SOBERSex on Brain European Research SOBER 1 = BIG 4 – Human treatment model – Clinical Research SOBER 2 = Animal model - Brain Biobank – March 2009 SOBER 3 = FMRI Models SOBER 4 = Human Genom Diagnostics
Center for the Study of Human Cognition FRONTlundosloberkleyexecutivestudies Institute of Environmental Medicine (IMM)
SOBER I – The Human ProjectEffects of Gonadotropin Releasing Hormone Receptor blockage on brain development and behaviour in humans • Andersson, Stein - Neuropsychologist • BjarkHalvorsen, Therese - Plastic surgeon, urologist • Cohen-Kettenis, Peggy – director • De Cuypere, Griet – director • Diseth, Trond - Child psychiatrist • Due Tønnesen, Paulina - Neuroradiologist • Fjell Anders – Controll group – director • Gross, Anniken - Gynecologist • Gulbrandsen, Kjersti - Psychiatric nurse • Haraldsen, Ira – director • Hellem, Frøydis – Psychologist • Heylens, Gunter - PhD • Kaspara, Solveig - Center coordinator • Kreukels, Baudewintje - Postdoc • Paap, Muirne – PhD • Richter-Appelt, Hertha – director • Nieder, Timo – PhD • Schreiner, Thomas- Endocrinologist • Tønseth, Kim Plastic - Surgeon • Walhovd, Kristine - Controll group – directors Peggy Cohen Kettenis
SOBER 2An animal model Effects ofGonadotropin Releasing Hormone Receptor blockage on brain development and behaviour in sheep The introduction of a new animal model to evaluate sex specific consequences and mechanisms of a common hormone treatment strategy in man Brain biobank opens on the 28th of March 2009
SOBER 2 - Cochno Farm - Oslo Kristine von Krogh, Hannah Harjen, DeborahKingsley, Stefan Suetterlin
SOBER 3 - FMRI paradigm Model development for sex differences in adolescence Nordstrand og Tåsen skole Nina Tangstrøm, Haakon Engen
Publications • 2008 in print • Hebold Haraldsen et al inTextbookofPsychiatry, Gyldendal, 2008 • Tønseth K, Haraldsen IR, Sex reassignment surgery, Den norskelegetidsskriften, 2008 • submitted in 2008 • HeboldHaraldsen*, I R. Casper, R. LH, FSH as predictors for cognitivefunction in normal middle-agedwomen, Psychoneuroendocrinology, submitted in 2008 • Paap M, Hebold Haraldsen I R, Sex specificcognitivesolutionstrategies in earlyonsetgenderidentitydisorderpatients, Neuropsychology, submitted in 2008 • 2009 to submitt first half year • Paap M, Hebold Haraldsen IR,, Prevalence, Diagnostics and comorbidity in Norwegianearlyonsetgenderidentitydisorderpatients, Psychiatric Research, 2009 • Hebold Haraldsen IR, Falch, J. cross sex patternof Ultrasound BMD measurements in in earlyonsetgenderidentitydisorderpatients, Endocrinology, 2009 • Endestad T, Melinder, A, Haraldsen, IR, A FMRI –model to discover sex differences in brain during adolescentdevelopment • al. et Hebold Haraldsen,Neurocognition in sheeptreated by prenatallyGnRHblockage, in work, expected in press 2009
2009 – 2014Understanding the time correlated phenomenon of puberty and sex differences of the brain • Behaviour and cognitive function of male and female animals/ humans, prior to treatment and after blockage of GnRHR • Structural changes of the brain between the sexes and the groups (cytoarchitecture, layer thickness and cell density • Neuronal/glial cell ratio, • Ccell proliferation and neuronal apoptosis • Degree of myelination • Synaptic distribution and integrity, using specific antibody • Architecture of dendritic tree and spine number • Gene expression and distribution of GnRH, ER alpha and beta, and AR receptors • Expression of hypothalamic oestrodiol receptors, GAD, GnRH, galanin, LH and FSH receptor immunreactivity and subsequent hormone secretion