Abstract:
:We previously reported that expression level of LIM (ENH, PDLIM5) was significantly and commonly increased in the brains of patients with bipolar disorder, schizophrenia, and major depression. Expression of LIM was decreased in the lymphoblastoid cells derived from patients with bipolar disorders and schizophrenia. LIM protein reportedly plays an important role in linking protein kinase C with calcium channel. These findings suggested the role of LIM in the pathophysiology of bipolar disorder and schizophrenia. To further investigate the role of LIM in these mental disorders, we performed a replication study of gene expression analysis and performed genetic association studies. Upregulation of LIM was confirmed in the independent sample set obtained from Stanley Array Collection. No effect of sample pH or medication was observed. Genetic association study revealed the association of single nucleotide polymorphism (SNP)1 (rs10008257) with bipolar disorder. In an independent sample set, SNP2 (rs2433320) close to SNP1 was associated with bipolar disorder. In total samples, haplotype of these two SNPs was associated with bipolar disorder. No association was observed in case-control analysis and family-based association analysis in schizophrenia. These results suggest that SNPs in the upstream region of LIM may confer the genetic risk for bipolar disorder.
journal_name
Mol Psychiatryjournal_title
Molecular psychiatryauthors
Kato T,Iwayama Y,Kakiuchi C,Iwamoto K,Yamada K,Minabe Y,Nakamura K,Mori N,Fujii K,Nanko S,Yoshikawa Tdoi
10.1038/sj.mp.4001719subject
Has Abstractpub_date
2005-11-01 00:00:00pages
1045-55issue
11eissn
1359-4184issn
1476-5578pii
4001719journal_volume
10pub_type
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