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Chromosome Workshop: chromosomes 11, 14, and 15
1Division of Neuroscience, University of Birmingham, Queen Elizabeth Psychiatric Hospital, UK. n.craddock@bham.ac.uk
American Journal of Medical Genetics
|June 22, 1999
Summary
Genetic linkage studies on chromosomes 11, 14, and 15 highlight 15q13-q15 for schizophrenia and 15q11-q13 for autism susceptibility genes. Regions on chromosome 11 also show promise for functional psychosis.
Area of Science:
- Psychiatric Genetics
- Human Genetics
- Neuroscience
Background:
- This report synthesizes linkage data for chromosomes 11, 14, and 15 presented at the Sixth World Congress of Psychiatric Genetics.
- It integrates submitted data with existing literature to explore genetic associations with psychiatric disorders.
Framework:
- Focuses on identifying potential susceptibility genes for bipolar disorder, schizophrenia, alcoholism, autism, and spelling/reading disability.
- Utilizes linkage analysis data to pinpoint chromosomal regions of interest.
Implementation:
- Collation of current linkage data from a workshop and submitted sources.
- Discussion of methodological limitations in genetic linkage studies.
- Presentation of chromosome ideograms and summary tables of findings.
Implications:
- Identifies 15q13-q15 (alpha 7 nicotinic receptor region) as a promising locus for schizophrenia and functional psychosis.
- Highlights 15q11-q13 (GABRB3 region) as a potential site for autism susceptibility genes.
- Notes continued interest in chromosome 11 regions 11p15 (tyrosine hydroxylase) and 11q22-q23 (DRD2) for functional psychosis.