No evidence of linkage between schizophrenia and D2 dopamine receptor gene locus in Italian pedigrees
Neuroscience Letters(1996)
摘要
Our purpose was to test the dopamine D2 receptor gene (DRD2), the tyrosine hydroxylase (TH) gene and the monoamino oxydase A (MAO-A) gene for linkage to schizophrenia and bipolar disorders. We have analyzed seven Italian families with schizophrenia and four families with bipolar disorders for a total of 68 individuals; 32 individuals were affected. Diagnoses were made using the structured clinical interview Schedule for Affective Disorders and Schizophrenia, Lifetime version (SADS-L). The results of our study provide no evidence of linkage between alleles at D2 dopamine receptor loci and schizophrenia or bipolar disorders. The markers TH gene and MAO-A gene give slightly positive or negative results suggesting the utility of further analysis on more informative families.
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关键词
Linkage analysis,Schizophrenia,Bipolar disorders,D2 dopamine receptor,Tyrosine hydroxylase,Monoamino oxydase A
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