Abstract:
:To examine the cannabinoid hypothesis for pathogenesis of schizophrenia, we examined two kinds of polymorphisms of the CNR1 gene, which encodes human CB1 receptor, a subclass of central cannabinoid receptors, in schizophrenics and age-matched controls in the Japanese population. Allelic and genotypic distributions of polymorphism 1359G/A at codon 453 in the coding region and AAT triplet repeats in the 3' flanking region in the Japanese population were quite different from those in Caucasians. Although the polymorphism 1359G/A was not associated with schizophrenia, the triplet repeat polymorphism of the CNR1 gene was significantly associated with schizophrenia, especially the hebephrenic subtype (P = 0.0028). Hebephrenic schizophrenia showed significantly increased rate of the 9 repeat allele (P = 0.032, OR = 2.30, 95% CI (1.91-2.69)), and decreased rate of the 17 repeat allele (P = 0.011, OR = 0.208, 95% CI (0.098-0.439)). The present findings indicated that certain alleles or genotypes of the CNR1 gene may confer a susceptibility of schizophrenia, especially of the hebephrenic type.
journal_name
Mol Psychiatryjournal_title
Molecular psychiatryauthors
Ujike H,Takaki M,Nakata K,Tanaka Y,Takeda T,Kodama M,Fujiwara Y,Sakai A,Kuroda Sdoi
10.1038/sj.mp.4001029subject
Has Abstractpub_date
2002-01-01 00:00:00pages
515-8issue
5eissn
1359-4184issn
1476-5578journal_volume
7pub_type
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