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The association of the HOPA(12bp) polymorphism with schizophrenia in the NIMH Genetics Initiative for Schizophrenia sample
Journal article   Peer reviewed

The association of the HOPA(12bp) polymorphism with schizophrenia in the NIMH Genetics Initiative for Schizophrenia sample

Robert A Philibert, Phil Bohle, Dianna Secrest, Jessica Deaderick, Harinder Sandhu, Raymond Crowe and Donald W Black
American journal of medical genetics. Part B, Neuropsychiatric genetics, Vol.144B(6), pp.743-747
09/05/2007
DOI: 10.1002/ajmg.b.30489
PMID: 17299734

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Abstract

HOPA (MED12) is an X-chromosome gene that codes for a critical member of the Mediator Complex, a group of proteins that regulates transcription via the nuclear receptor, Wnt and Receptor Tyrosine Kinase pathways. In prior association and meta-analyses, we have shown that the presence of an evolutionarily conserved, 12 bp (4 amino acid) insertional polymorphism in exon 43 of this gene is associated with increased risk for an endophenotype of schizophrenia. In this communication, we describe the results of our work with subjects and data from the National Institutes of Mental Health (NIMH) Genetics Initiative for Schizophrenia. We report that the presence of the HOPA(12bp) polymorphism is associated with increased risk for schizophrenia in subjects of European ancestry. In the light of this new study and the prior wealth of clinical and basic science data, we conclude that the HOPA(12bp) allele is a risk factor for schizophrenia in subjects of European ancestry and suggest that further studies to define the endophenotype and mechanisms of illness associated with this polymorphism are indicated.
European Continental Ancestry Group - genetics Genetic Predisposition to Disease Gene Frequency Humans Risk Factors Male DNA Primers - genetics Polymorphism, Genetic Genes, X-Linked Receptors, Thyroid Hormone - genetics Schizophrenia - genetics Pedigree Base Sequence Alleles Female Mediator Complex

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