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The Iowa multiplex family study of schizophrenia: linkage analyses on chromosome 5.

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Department of Psychiatry, University of Iowa College of Medicine, Iowa City 52242.


We analysed six multiplex pedigrees of schizophrenia for linkage to two DNA probes mapping to the chromosome 5q11-q13 region where linkage to a gene for schizophrenia was recently reported. Analyses were conducted using three penetrance models and considering the affected state to be schizophrenia, the schizophrenia spectrum, and all psychiatric diagnoses. All analyses gave consistently negative lod scores. Although the region was not formally excluded, no evidence for linkage was found.

[Indexed for MEDLINE]

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