Journal
MOLECULAR PSYCHIATRY
Volume 23, Issue 1, Pages 6-14Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/mp.2017.196
Keywords
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Funding
- Lundbeck Foundation, Denmark [R102-A9118, R155-2014-1724]
- Stanley Medical Research Institute
- European Research Council [294838]
- Stanley Center for Psychiatric Research at Broad Institute
- Centre for Integrated Register-based Research at Aarhus University
- Novo Nordisk Foundation
- John Cade Fellowship from the National Health and Medical Research Council [APP1056929]
- Danish National Research Foundation (Niels Bohr Professorship)
- Lundbeck Foundation [R155-2014-1724, R248-2017-2003] Funding Source: researchfish
- NATIONAL INSTITUTE OF MENTAL HEALTH [U01MH109536] Funding Source: NIH RePORTER
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The Integrative Psychiatric Research (iPSYCH) consortium has established a large Danish population-based Case-Cohort sample (iPSYCH2012) aimed at unravelling the genetic and environmental architecture of severe mental disorders. The iPSYCH2012 sample is nested within the entire Danish population born between 1981 and 2005, including 1 472 762 persons. This paper introduces the iPSYCH2012 sample and outlines key future research directions. Cases were identified as persons with schizophrenia (N = 3540), autism (N = 16 146), attention-deficit/hyperactivity disorder (N = 18 726) and affective disorder (N = 26 380), of which 1928 had bipolar affective disorder. Controls were randomly sampled individuals (N = 30 000). Within the sample of 86 189 individuals, a total of 57 377 individuals had at least one major mental disorder. DNA was extracted from the neonatal dried blood spot samples obtained from the Danish Neonatal Screening Biobank and genotyped using the Illumina PsychChip. Genotyping was successful for 90% of the sample. The assessments of exome sequencing, methylation profiling, metabolome profiling, vitamin-D, inflammatory and neurotrophic factors are in progress. For each individual, the iPSYCH2012 sample also includes longitudinal information on health, prescribed medicine, social and socioeconomic information, and analogous information among relatives. To the best of our knowledge, the iPSYCH2012 sample is the largest and most comprehensive data source for the combined study of genetic and environmental aetiologies of severe mental disorders.
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