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Does neuregulin-1 play a role in Type A behavior? The cardiovascular risk in young Finns study.

ABSTRACT: BACKGROUND: Neuregulin-1 proteins are related to physiological correlates of Type A in terms of cardiac reactivity. Furthermore, neuregulin-1 gene (NRG1) may play a role in cardiovascular disease such as atherosclerosis and coronary heart disease i.e. the suggested "outcomes" of Type A behavior. Therefore, NRG1 is hypothesized to be associated with Type A behavior. METHODS: The study examined whether Type A behavior pattern is associated with the single nucleotide polymorphism (SNP) SNP8NRG221533 of the NRG1. The subjects were 631 men and women participating in the population-based Cardiovascular Risk in Young Finns study in 1992 and 2001. Type A was self-assessed with the Framingham Type A Scale and reassessed nine years later. RESULTS: Type A was associated with NRG1 genotype. Carriers of genotype CC scored lower on Type A compared to the others. CONCLUSION: Our study has pinpointed a SNP in NRG1 that predicts Type A behavior. As previous evidence suggests an association for NRG1 with beta-adrenergic stimulation, its role underlying Type A is discussed.

SUBMITTER: Service HM 

PROVIDER: S-EPMC2553789 | biostudies-literature | 2008

REPOSITORIES: biostudies-literature

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Does neuregulin-1 play a role in Type A behavior? The cardiovascular risk in young Finns study.

Service Helena M HM   Hintsanen Mirka M   Hintsa Taina T   Lehtimäki Terho T   Raitakari Olli T OT   Viikari Jorma S JS   Keltikangas-Järvinen Liisa L  

Behavioral and brain functions : BBF 20080917

<h4>Background</h4>Neuregulin-1 proteins are related to physiological correlates of Type A in terms of cardiac reactivity. Furthermore, neuregulin-1 gene (NRG1) may play a role in cardiovascular disease such as atherosclerosis and coronary heart disease i.e. the suggested "outcomes" of Type A behavior. Therefore, NRG1 is hypothesized to be associated with Type A behavior.<h4>Methods</h4>The study examined whether Type A behavior pattern is associated with the single nucleotide polymorphism (SNP)  ...[more]