Update on key previously proposed candidate genes for schizophrenia
Purpose of review We will give an overview of more recent data concerning previously implicated candidate genes for schizophrenia. This includes functional data when available. Furthermore, studies on copy number repeats and their possible implications in schizophrenia will be described. Recent findings Within the past year, schizophrenia genetics has focused on a more detailed investigation of previously implicated candidate genes. In addition, investigation of copy number variations has led to the identification of rare structural DNA variants that might play a major role in some cases of schizophrenia. Summary There is emerging evidence that some cases of schizophrenia might be due to rare genetic structural variation, though the majority of cases should be due to a cumulative effect of common variations in multiple genes, which in combination with environmental stressors may lead to the development of schizophrenia. 2009 Wolters Kluwer Health|Lippincott Williams & Wilkins.
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