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Am J Med Genet B Neuropsychiatr Genet. 2004 Apr 1;126B(1):111-5.

Investigation of polymorphisms in the CREM gene in panic disorder.

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Department of Psychiatry, College of Physicians and Surgeons at Columbia University and the New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY 10032, USA.


Clinical and animal studies suggest a role for pathways regulated by cyclic-AMP in anxiety. Mouse gene deletion studies, our own linkage findings on chromosome 10, and a recently published genetic association study by Domschke et al. [2003: Am J Med Genet 117B:70-78] suggest that the cAMP responsive element modulator (CREM) may be involved in panic disorder. We have employed a family-based design to investigate the role of DNA sequence variations in the gene for CREM in panic disorder. We have genotyped 613 individuals in 70 panic disorder pedigrees, as well as 42 parent/offspring triads. Subjects were genotyped at two informative single nucleotide polymorphisms (SNPs) and three polymorphic microsatellites in the CREM genomic region; and the data were analyzed for genetic association and linkage. Linkage analysis employing several diagnostic/genetic models produced a maximum lod score of 0.63 for SNP-1, located in the 5' UTR of CREM, under a dominant model with a broad diagnostic definition of panic disorder. Non-parametric analysis, using the NPL statistic or FBAT, also did not support any linkage or association between the markers and panic disorder. All five markers (spanning 77 kb) used in the study showed modest, but significant linkage disequilibrium. Analysis of 2-, 3-, 4-, or 5-marker haplotypes using TRANSMIT failed to find any globally significant results; however, individual haplotypes containing a single allele of MS-3 were nominally associated with panic disorder. These findings provide little additional evidence for a susceptibility locus for panic disorder either within the CREM gene or in a nearby region of chromosome 10p11 in our sample.

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