rs117557854 - CNTN5
Magnitude 4.5 · 1 study on file
Reported associations
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The genetics of alcohol dependence: Twin and SNP-based heritability, and genome-wide association study based on AUDIT scores. - American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics (2016) · Mbarek H, Milaneschi Y, Fedko IO, Hottenga JJ, de Moor MH, Jansen R, Gelernter J, Sherva R, Willemsen G, Boomsma DI, Penninx BW, Vink JM · PubMed 26365420
Alcohol dependence (AD) is among the most common and costly public health problems contributing to morbidity and mortality throughout the world. In this study, we investigate the genetic basis of AD in a Dutch population using data from the Netherlands Twin Register (NTR) and the Netherlands Study of Depression and Anxiety (NESDA). The presence of AD was ascertained via the Alcohol Use Disorders Identification Test (AUDIT) applying cut-offs with good specificity and sensitivity in identifying those at risk for AD. Twin-based heritability of AD-AUDIT was estimated using structural equation modeling of data in 7,694 MZ and DZ twin pairs. Variance in AD-AUDIT explained by all SNPs was estimated with genome-wide complex trait analysis (GCTA). A genome-wide association study (GWAS) was performe
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Lifestyle context
Concrete actions anchored to the cited research. We do not prescribe, we describe.
Discuss with your doctor
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Alcohol dependence risk and family history Moderate
CNTN5 genetic association with alcohol dependence warrants clinical assessment of risk and preventive strategies
Inform clinician of this variant; review family history of substance use disorders
Lifestyle
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Alcohol moderation or abstinence Moderate
Genetic association with alcohol dependence suggests heightened vulnerability to problematic drinking
If drinking: women limit to less than 7 drinks per week, men less than 14; abstinence is safest
Screening
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Alcohol consumption patterns Moderate
CNTN5 variant associated with increased alcohol dependence risk; monitoring enables early detection of problematic use
Track frequency and quantity; consider AUDIT-C screening annually