Our study aims at replicating our previous finding of an association between COMT rs4680 G/A polymorphism and early onset major depression (MD). We included 462 MD, 147 bipolar disorders (BD) subjects and 295 healthy controls. We could partially replicate previous findings. In particular, rs4680 GG + AG genotypes were more represented in the subgroup of early onset MD patients (p = 0.04). Additionally, we observed an association between rs737865 alleles and early onset MD (p = 0.04). Rs4680 genotype was associated with early onset BD as well (p = 0.01). In conclusion, we partially replicated our previous findings confirming a possible influence of COMT variants in MD and BD, particularly in early onset subjects, though not with the same risk genotypes.
COMT AND AGE AT ONSET IN MOOD DISORDERS: A REPLICATION AND EXTENSION STUDY.
CRISAFULLI, CONCETTA;
2011-01-01
Abstract
Our study aims at replicating our previous finding of an association between COMT rs4680 G/A polymorphism and early onset major depression (MD). We included 462 MD, 147 bipolar disorders (BD) subjects and 295 healthy controls. We could partially replicate previous findings. In particular, rs4680 GG + AG genotypes were more represented in the subgroup of early onset MD patients (p = 0.04). Additionally, we observed an association between rs737865 alleles and early onset MD (p = 0.04). Rs4680 genotype was associated with early onset BD as well (p = 0.01). In conclusion, we partially replicated our previous findings confirming a possible influence of COMT variants in MD and BD, particularly in early onset subjects, though not with the same risk genotypes.Pubblicazioni consigliate
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