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Épigénétique et santé mentale  : le réseau de neuroépigénétique canadien

Aperçu du projet

Psychiatry, like all areas of medicine and biology, has long considered the origins of individual differences. This issue ultimately produced a nature vs nurture schism that divided researchers who emphasized the importance of environmental influences from those who considered the importance of heritable variation in the genome. This was never a fruitful debate. As Hebb once mused, attempting to quantify the relative importance of nature and nurture in defining individual variation was like asking what contributes more to the area of a rectangle – the length or the width! Indeed over the past decade we now understand how the influence of environmental conditions on brain function is moderated by genotype (and vice versa). The result is that of studies showing statistical interactions between gene and environment in determining the risk for psychopathology. But what is the biological nature of the interaction between gene and environment? the team’s earlier studies suggest that environmental conditions, particularly those involving parental influences in early life, can alter the structure and function of the genome. This effect involves the biochemical signals that regulate gene transcription, collectively referred to as epigenetic mechanisms. The studies proposed in this application attempt to integrate the study of epigenetics into Psychiatry and to examine whether environmentally-induced epigenetic signals might serve to distinguish children who carry and increased lifetime vulnerable for psychopathology. Since current predictors of mental health risk (e.g., birth weight, socio-economic status, etc.) are only limited in accuracy, such advances are critical if we are to more successfully stratify individuals truly at risk and thus more strategically target our interventions at an age when we can actually prevent the occurrence of mental illness.

Chef d'équipe

Michael J. Meaney , Douglas Mental Health University Institute

Membres de l'équipe

Paul R. Albert, Ottawa Hospital Research Institute

Guillaume Bourque, McGill University

Gustavo Turecki, Douglas Hospital Research Centre

Michael Kobor, University of British Columbia

Thomas Boyce, University of British Columbia

Joanna Holbrook, Singapore Institute for Clinical Sciences

Partenaire et Donateurs

The W. Garfield Weston Foundation

Projet en cours

Épigénétique et santé mentale  : le réseau de neuroépigénétique canadien

  • Type de programme

    Team grants

  • Domaine de recherche

    Mental Health

  • Disease Area

    Mental illness

  • Compétition

    The W. Garfield Weston Foundation

  • Province

    Québec

  • Date de Début

    2013

  • Montant total du financement

    $1,494,900

  • Contribution Santé Canada

    $747,450

Contactez-nous

1200 Avenue McGill College
Bureau 1600, Montréal (Québec)
H3B 4G7

+1 (514) 989-2989 info@braincanada.ca

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